The positive effect of malaria IPTp-SP on birthweight is mediated by gestational weight gain but modifiable by maternal carriage of enteric pathogens oleh Andreea Waltmann, Elizabeth T. Rogawski McQuade, Jobiba Chinkhumba, Darwin J. Operario, Enala Mzembe, Megumi Itoh, Michael Kayange, Sydney M. Puerto-Meredith, Don P. Mathanga, Jonathan J. Juliano, Ian Carroll, Luther A. Bartelt, Julie R. Gutman, Steven R. Meshnick