[Hygienic evaluation of dust and toxic substance control measures in the construction industry in East Germany].
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Biomedical subjects
Publications and source records attributed to K Popov.
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Studied were a total of 926 actinomycetic strains. In 285 of them (27.8 per cent) there was a capacity to synthesize growth factors which stimulated the production of fruit bodies of the mycelial fungus 2x. The culture liquid of two of the producent strains, 210-c and 192-B, was given as a supplement to the ordinary feed ration of albino mice. It was found that birth rate rose twice with the test groups. Histologically, a stimulant action was demonstrated with regard to ovogenesis in terms of the earlier maturation of follicles and formation of corpora lutea both in rats and in 4-5-month-old lambs.
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