1. Studies of babies born at high altitude. I. Relation of altitude to birth weight;Lichty;Am J Dis Child,1957
2. Variation in neonatal death rate and birth weight in the United States and possible relations to environmental radiation, geology, and altitude;Grahn;Am J Hum Genet,1963
3. Neonatal mortality and altitude in Peru;Mazess;Am J Phys Anthropol,1965
4. Effect of high altitude on human birth;McClung,1969
5. The placenta and the newborn infant at high altitudes;Kruger;Am J Obstet Gynecol,1970