AU - Bean WB TI - JOint responsibility PT - JOUR DP - 1959 TA - A.M.A. Archives of Internal Medicine pages = {681-685}, VI - 103 IP - 5 AID - 10.1001/archinte.1959.00270050003002 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1959.00270050003002 SO - A.M.A. Archives of Internal Medicine May 1, 1959 103(5):681