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  • 1
    Electronic Resource
    Electronic Resource
    Preservation of the pylorus in resection of the head of the pancreas (1994)
    Springer
    Journal of hepato-biliary-pancreatic surgery 1 (1994), S. 355-366 
    Details
    ISSN: 1436-0691
    Keywords: pancreatoduodenectomy ; pancreatic cancer ; chronic pancreatitis ; ampullary carcinoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Whipple's pancreatoduodenectomy was the standard operation for diseases of the head of the pancreas for more than 40 years, but the results were vitiated in part by poor gastrointestinal function and malnutrition. Reintroduced in 1978, pylorus-preserving proximal pancreatoduodenectomy (PPPP) has had an increasing impact on pancreatic surgery as its benefits have been recognized: improved nutritional status, decreased incidence of postgastrectomy syndromes, and a technically easier operation. Postoperative mortality rates and 5-year survival rates are comparable with those of the classic Whipple procedure. PPPP is indicated for most patients with chronic pancreatitis of the pancreatic head. It is also appropriate for patients with periampullary cancer and for those with pancreatic cancer arising from the lower part of ‘the head and the uncinate process. More than 650 patients have now undergone PPPP: 31% for chronic pancreatitis and 66% for periampullary and pancreatic cancers. We assess the indications for PPPP, outline the operation, and review the results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02391096
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  • 2
    Electronic Resource
    Electronic Resource
    Further studies on the sodium and water metabolism of the fresh-water medusa, Craspedacusta sowerbyi (1970)
    Springer
    Journal of comparative physiology 67 (1970), S. 186-191 
    Details
    ISSN: 1432-1351
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary 1. Water turnover rates in Craspedacusta sowerbyi medusae ranged from 600% to 1,200%/hr. 2. Sodium turnover rates ranged from 2% to 30%/hr. 3. Ionic and volume regulation are accomplished in the medusa by voiding of a hypertonic solution via the manubrium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00298527
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  • 3
    Electronic Resource
    Electronic Resource
    Potassium metabolism in the fresh-water medusa, Craspedacusta sowerbyi (1971)
    Springer
    Journal of comparative physiology 72 (1971), S. 144-149 
    Details
    ISSN: 1432-1351
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary 1. Percent water of Craspedacusta sowerbyi medusae ranged from 98.76 to 99.57. 2. Whole body potassium values ranged from 0.45 to 0.6 μeq/gm wet weight for animals held in pond water. 3. Whole body potassium values ranged from 0.045 to 0.13 μeq/gm wet weight for animals held in diluted pond water. 4. Potassium turnover rates averaged 9%/hr, and was similar for animals held in pond water and diluted pond water.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00297818
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  • 4
    Electronic Resource
    Electronic Resource
    Some aspects of sodium balance in the freshwater cyprinodontFundulus olivaceus (1972)
    Springer
    Journal of comparative physiology 80 (1972), S. 191-199 
    Details
    ISSN: 1432-1351
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary 1. The freshwater cyprinodont,Fundulus olivaceus, tolerates a direct transfer from fresh water to 50% sea water and will live indefinitely in that salinity. 2. Serum sodium levels were regulated somewhat, but this was accomplished largely by expanding the sodium space. The animals remained isosmotic or slightly hyperosmotic to the environment. 3. Water permeability dropped sharply after transfer into saline solutions. 4. The animals drank only trace amounts of sea water, and drank less in 50% sea water than when in 33% sea water. 5. Sodium permeability was relatively high both in fresh water and in dilute sea water.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00696490
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  • 5
    Electronic Resource
    Electronic Resource
    Sodium metabolism of the freshwater cyprinodont,Fundulus catenatus (1972)
    Springer
    Journal of comparative physiology 80 (1972), S. 179-189 
    Details
    ISSN: 1432-1351
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary 1. Transfer of the freshwater cyprinodont,Fundulus catenatus, into 40% sea water caused a slow rise in serum sodium levels, total body sodium, and the rate of sodium efflux. 2. Serum sodium levels were first reduced by expanding sodium space. In some cases the animals eventually brought sodium parameters (except efflux) back to fresh water levels; in other cases the sodium space remained expanded. 3. Transfer of animals adapted to 40% sea water on to 52% or 65% sea water caused a second rise in the sodium load and expansion of the sodium space. The animals could not survive indefinitely in 65% sea water. 4. Water permeability first decreased, and then increased after transfer into saline. The chenges in water permeability correlated roughly with changes in serum cortisol levels. 5. The animals remained hyposmotic to the environment in both 40% and 65% sea water and drank sufficient sea water to stay in positive water balance. They were not able carry out a net excretion of sodium in salinities above 40% sea water.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00696489
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  • 6
    Electronic Resource
    Electronic Resource
    Calcium mobilization from acellular bone and effects of hypophysectomy on calcium metabolism inFundulus kansae (1976)
    Springer
    Journal of comparative physiology 110 (1976), S. 159-169 
    Details
    ISSN: 1432-136X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary 1. Seasonal changes in the half-times (0.5) for calcium influx and outflux in bone, skin and scales, and soft-tissue compartments ofF. kansae were measured. 2. The size of diffusible calcium pools in the three compartments was estimated from the ratio of the loading and unloading half-times. Both the bone and skin and scales compartments contain diffusible calcium pools which increase in size during the summer months. 3. The calcium in the soft-tissue compartment is all diffusible, and the kinetics indicate that this compartment receives calcium from the other two compartments. 4. Hypophysectomy reduced the rate of calcium turnover in summer animals to the levels measured in intact winter animals. Such treatment also affected the distribution of radiocalcium within the animal. 5. It is concluded that acellular bone is a metabolically active tissue.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00689305
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  • 7
    Electronic Resource
    Electronic Resource
    Die Bestimmung des Kohlenstoffs im Stahl nach direkten physikalischen Verfahren) (1935)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 102 (1935), S. 199-204 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01362720
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