AU - SANTE LR TI - PNeumoperitoneum as an aid in the diagnosis of subdiaphragmatic conditions PT - JOUR DP - 1923 TA - Journal of the American Medical Association pages = {464-466}, VI - 80 IP - 7 AID - 10.1001/jama.1923.02640340020009 [doi] 4100 - http://dx.doi.org/10.1001/jama.1923.02640340020009 SO - Journal of the American Medical Association February 17, 1923 80(7):464