situated under strict conditions in order to try to limit experimental aggravation and to respect the accomplishment of an endocrine balance , the experiments carried out study the influence on parasitism by strongyloides ratti of ovariectomie and the treatments , of female rats castrated or not , by oestradiol , hexoestrol , diethylstilboestrol , progesterone , mestranol , chlormadinone association .
C0019467
hexoestrol
C0012203
diethylstilboestrol