AU - Keil H TI - ERythema nodosum PT - JOUR DP - 1939 TA - Journal of the American Medical Association pages = {763}, VI - 112 IP - 8 AID - 10.1001/jama.1939.02800080083027 [doi] 4100 - http://dx.doi.org/10.1001/jama.1939.02800080083027 SO - Journal of the American Medical Association February 25, 1939 112(8):763