Biologic assay of urinary androgens in 4 men before and after castration revealed that in every case there was a definite decrease in androgen excretion after castration (Fig. 1). All 4 men had ...

FOR practical purposes the available antibiotics may be divided with respect to their absorption and excretion into two major groups: those that are absorbed from the gastrointestinal tract and ...

Enzymes are biological catalysts which speed up reactions including digestion. Lipids include fats (solid at room temperature) and oils (liquid at room temperature). Vitamins and minerals Vitamins ...