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  • 1
    Electronic Resource
    Electronic Resource
    Diminutive colonic polyps: An indication for colonoscopy (1992)
    Springer
    Diseases of the colon & rectum 35 (1992), S. 178-181 
    Details
    ISSN: 1530-0358
    Keywords: Colonoscopy ; Screening ; Hyperplastic polyps
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A prospective study investigated the significance of solitary diminutive colonic polyps discovered during screening flexible sigmoidoscopy. Eighty-two patients with a solitary diminutive polyp (≤5 mm) underwent colonoscopy after cold biopsy of the index polyp. Of the patients with adenomatous index polyps, 42.5 percent had proximal neoplastic polyps. Of the patients with hyperplastic index polyps, proximal neoplastic polyps were found in 38.9 percent. These data suggest that diminutive polyps identified during flexible sigmoidoscopy, whether adenomatous or hyperplastic, place the patient in the intermediate risk group for colorectal neoplasia. We recommend that any patient with polyps seen during screening sigmoidoscopy, regardless of histopathology, should undergo colonoscopy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02050675
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Host-plant green-leaf volatiles synergize the synthetic sex pheromones of the corn earworm and codling moth (Lepidoptera) (1993)
    Springer
    Chemoecology 4 (1993), S. 145-152 
    Details
    ISSN: 1423-0445
    Keywords: pheromone synergists ; host-plant volatiles ; Lepidoptera ; Noctuidae ; Helicoverpa zea ; corn earworm ; Olethreutidae ; Cydia pomonella ; codling moth
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The capture of adult male moths in female sex pheromone traps of two key agricultural pests, the corn earworm (Helicoverpa zea) and the codling moth (Cydia pomonella), is enhanced or synergized by a certain group of host-plant volatiles, the “green-leaf volatiles” (GLVs). Since female adults of both species call and release their sex pheromones while perched upon the leaves of their host-plants, the volatile constituents from the leaves of a number of host-plants were compared. Sex pheromone traps containing one of the prominent leaf volatiles of certainH. zea hosts, (Z)-3-hexenyl acetate, not only significantly increased the capture ofH. zea males but were preferred over traps baited only with sex pheromone. Similarly, traps baited with synthetic sex pheromome ofC. pomonella plus a blend of GLVs captured significantly more males than traps baited only with sex pheromone. Since male moths are not captured in traps baited only with these GLVs, it appears that these GLVs act as pheromone synergists which increase or enhance the attraction or arrestment of male moths in pheromone traps.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01256549
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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