TI - THe w. h. ross foundation (scotland) for the study of prevention of blindness. paper PT - JOUR DP - 1949 TA - Journal of the American Medical Association pages = {1044}, VI - 139 IP - 15 AID - 10.1001/jama.1949.02900320074035 [doi] 4100 - http://dx.doi.org/10.1001/jama.1949.02900320074035 SO - Journal of the American Medical Association April 9, 1949 139(15):1044