TI - DEmonstrations of physical signs in clinical surgery PT - JOUR DP - 1947 TA - Journal of the American Medical Association pages = {741}, VI - 134 IP - 8 AID - 10.1001/jama.1947.02880250089031 [doi] 4100 - http://dx.doi.org/10.1001/jama.1947.02880250089031 SO - Journal of the American Medical Association June 21, 1947 134(8):741