AU - Schaffer N TI - AN allergy survey PT - JOUR DP - 1949 TA - Journal of the American Medical Association pages = {494}, VI - 140 IP - 5 AID - 10.1001/jama.1949.02900400048024 [doi] 4100 - http://dx.doi.org/10.1001/jama.1949.02900400048024 SO - Journal of the American Medical Association June 4, 1949 140(5):494