Journal Article
Habib, Ndema, Anne Daltveit, Joseph Mlay, Olola Oneko, John Shao, Per Bergso, Erik Lie-Nielsen, and Rolv Lie.
"Birthweight and perinatal mortality among singletons and twins in north-eastern Tanzania." Scandinavian journal of public health 36, no. 7 (2008): 761-768.