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
13(8) O20527 O20887 O21697 O21700 O22039 O22989 O22988
United States. Department of Health, Education, and Welfare. Public Health Service Utilization of short-stay hospitals Washington: National Center for Health Statistics, 1971