TI - PAul ehrlich. PT - JOUR DP - 1951 TA - A.M.A. Archives of Internal Medicine pages = {416}, VI - 88 IP - 3 AID - 10.1001/archinte.1951.03810090147032 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1951.03810090147032 SO - A.M.A. Archives of Internal Medicine September 1, 1951 88(3):416