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  • 1
    Electronic Resource
    Electronic Resource
    A safe and simple method to maintain a clear field of vision during laparoscopic cholecystectomy (1992)
    Springer
    Surgical endoscopy and other interventional techniques 6 (1992), S. 197-198 
    Details
    ISSN: 1432-2218
    Keywords: Laparoscopic cholecystectomy ; new Ushaped retractor ; Clear field
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A clear field of vision during laparoscopic cholecystectomy was attained by using a newly designed retractor which elevates the abdominal wall and does not require high-pressure CO2 infusion into the peritoneal cavity. As the abdominal cavity is continuously ventilated, smoke from the cauterization is suctioned off through openings in the middle part of the retractor. There is no interference with placement of ports.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02210882
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Lever press responding as a measure of ethanol preference in rats (1982)
    Springer
    Psychopharmacology 76 (1982), S. 36-39 
    Details
    ISSN: 1432-2072
    Keywords: Continuous choice ; Ethanol preference ; Position habit ; Rats
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Preference for ethanol in rats, overcoming the problem of a position habit, was assessed in a one-lever and two-liquid chamber. Performance in lever pressing for ethanol of different concentrations (2.5%, 5.0%, and 15.0%) and for water, as well as the amount of liquid intake, were recorded. Evidence of ethanol preference was observed by both the lever press and consumption measures when the concentration was 2.5%. Water preference was evident at higher concentrations. The present method proved to be a useful method for studying ethanol preference in rats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00430751
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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