Answers are grounded in this paper and cite their sources.
Klinefelter, Reifenstein and Albright (13) in 1942 collected and described nine cases of a new clinical syndrome, later given the eponym Klinefelter's Syndrome, which appeared at puberty in males and was characterized by gynaecomastia, hypogonadism, aspermatogenesis, increased follicle-stimulating hormone (F.S.H.) and normal or low 17-ketosteroid urinary excretion.
No takes yet. Share an insight, caveat, or question.
Henry Hunter (1969) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: