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European Occupational Health Series : Reports and Studies, European Reports and Studies, Issue 70: Development of Cancer Centers and Community Cancer Control Programs

By M. Dicato, Dr.

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Book Id: WPLBN0000042296
Format Type: PDF eBook
File Size: 1.5 MB
Reproduction Date: 2005

Title: European Occupational Health Series : Reports and Studies, European Reports and Studies, Issue 70: Development of Cancer Centers and Community Cancer Control Programs  
Author: M. Dicato, Dr.
Volume:
Language: English
Subject: Health., Public health, Wellness programs
Collections: Medical Library Collection, World Health Collection
Historic
Publication Date:
Publisher: World Health Organization

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Dr, M. D. (n.d.). European Occupational Health Series : Reports and Studies, European Reports and Studies, Issue 70. Retrieved from http://worldebooklibrary.com/


Description
Medical Reference Publication

Excerpt
There are many references in the literature to techniques for rearing the aquatic snail hosts of schistosomes (Brumpt, 1941 ; Cowper, 1946; Standen, 1949, 1951; Moore et al., 1953; Lee & Lervert, 1949). These workers, however, have bred the snails in order to provide a source of infection for a laboratory definitive host. When breeding for molluscicide testing, various stages and many more snails are required. For example, if compounds are tested at concentrations of 10, 1 and 0.1 p.p.m., xirh two replicates for each concentration and 10 snails per test, at least 250 will be required for eight compounds to be assessed over a three-day period. The methods used in maintaining the colon); should be refined so as to obtain adults and other stages that will give reproducible results in standardized tests. This is particularly necessary when the compounds have reached the secondary phase of a ~nolluscicide-testing programme.

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