TI - OLd age. PT - JOUR DP - 1929 TA - Archives of Internal Medicine pages = {784-785}, VI - 44 IP - 5 AID - 10.1001/archinte.1929.00140050161014 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1929.00140050161014 SO - Archives of Internal Medicine November 1, 1929 44(5):784