Rapid cycling of plasma gonadotrophins in normal men as demonstrated by frequent sampling.
D000328:Adult; D002940:Circadian Rhythm; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D011863:Radioimmunoassay; D012737:Sex Factors; D013997:Time Factors
D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone