Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
1(10b) O21220
United States. Department of Health, Education, and Welfare Plan and operation of the health and nutrition examination survey United States-1971-1973 Washington: National Center for Health Statistics, 1973