SIMPSON, JL. (1977). DELAYED FERTILIZATION AND DOWNS-SYNDROME
. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 238(17), 1811-1811. 10.1001/jama.1977.03280180015006
SIMPSON, JL. (1977). DELAYED FERTILIZATION AND DOWNS-SYNDROME
. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 238(17), 1811-1811. 10.1001/jama.1977.03280180015006