study of bioconversion of [ 3h ] pregnenolone to delta 4 steroids , 17 alpha-hydroxysteroids , and c19 steroids as well as analysis of the relative amounts of intratesticular steroids , as determined by ria , revealed no apparent differences in the process of microsomal steroidogenesis in elderly compared to that in young men .
C0020393
hydroxysteroids
C0038317
steroids