to clarify the pharmacodynamics of urinary gonadotropins , same doses of metrodin ( serono laboratories , aubonne , switzerland ) or pergonal ( serono , rome , italy ) were injected intramuscularly into normal adult men in a crossover manner , and serum follicle-stimulating hormone ( fsh ) and luteinizing hormone were measured by radioimmunoassay .
C0018061
gonadotropins
C0733758
follicle-stimulating hormone