TI - ERythema nodosum PT - JOUR DP - 1939 TA - Journal of the American Medical Association pages = {147-148}, VI - 112 IP - 2 AID - 10.1001/jama.1939.02800020053015 [doi] 4100 - http://dx.doi.org/10.1001/jama.1939.02800020053015 SO - Journal of the American Medical Association January 14, 1939 112(2):147