Source:
JAMA [JAMA] 1972 Jun 05; Vol. 220 (10), pp. 1329-33.Publisher: American Medical Association Country of Publication: United States NLM ID: 7501160 Publication Model: Print Cited
Source:
JAMA [JAMA] 1970 Feb 02; Vol. 211 (5), pp. 791-7.Publisher: American Medical Association Country of Publication: United States NLM ID: 7501160 Publication Model: Print Cited