1. Quantitative aspects of placental structure;Aherne;Journal of Pathology and Bacteriology,1966
2. Placental anatomy and diffusing capacity in guinea pigs following long-term maternal hypoxia;Bacon;Placenta,1984
3. A morphometric study of human placentae of different gestational ages from normal and triplet pregnancies;Bhargava;Proceedings of the Fourth International Congress for Stereology, National Bureau of Standards Special Publication,1976
4. Placental diffusing capacity and its relation to fetal growth;Bissonnette;Journal of Developmental Physiology,1979
5. Quantitative structure of the normal human placenta from 10 weeks of gestation to term;Boyd;Early Human Development,1984