TI - Vitamin a requirement of human adults: An experimental study of vitamin a deprivation in man. a report of the vitamin a sub-committee of the accessory food factors committee. PT - JOUR DP - 1949 TA - Archives of Internal Medicine pages = {839-840}, VI - 84 IP - 5 AID - 10.1001/archinte.1949.00230050175012 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1949.00230050175012 SO - Archives of Internal Medicine November 1, 1949 84(5):839