AU - Bean WB TI - ESsays in philosophical biology. PT - JOUR DP - 1959 TA - A.M.A. Archives of Internal Medicine pages = {1051-1052}, VI - 104 IP - 6 AID - 10.1001/archinte.1959.00270120207022 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1959.00270120207022 SO - A.M.A. Archives of Internal Medicine December 1, 1959 104(6):1051