Cross-sectional investigation out-of an area during the S. Peru – Nunoa. Some partial-longitudinal study made use of from a past study. Rural people. 4000–5500m height. Research took place step one964–six. Males and females old dos–thirty five many years. Not as large socio-economic updates, we.elizabeth. 2–step three.
Frisancho, A.R., Guire, K., Babler, W., Borkan, G. & Way, A. (1980).