AU - Ratnoff OD TI - CLinical interpretation of laboratory tests PT - JOUR DP - 1969 TA - JAMA pages = {537}, VI - 208 IP - 3 AID - 10.1001/jama.1969.03160030111028 [doi] 4100 - http://dx.doi.org/10.1001/jama.1969.03160030111028 SO - JAMA April 21, 1969 208(3):537