TY - JOUR T1 - MEdical literature abstracts Y1 - 1959/02/28 N1 - 10.1001/jama.1959.03000260086026 JO - Journal of the American Medical Association SP - 988 EP - 009 VL - 169 IS - 9 N2 - SN - 0002-9955 M3 - doi: 10.1001/jama.1959.03000260086026 UR - http://dx.doi.org/10.1001/jama.1959.03000260086026 ER -