TY - JOUR A1 - Knodel, J. A1 - Kintner, H. T1 - The Impact of Breast Feeding Patterns on the Biometric Analysis of Infant Mortality Y1 - 1977 DO - 10.2307/2060586 JF - Demography VL - 14 IS - 4 SP - 391 EP - -409 ER -