U.S. Dept. of Health, Education, and Welfare, Public Health Service, Office of Health Research, Statistics, and Technology National Center for Health Services Research[1979]NCHSR research proceedings series
, DHEW publication
no. (PHS) 79-3254
edited by Albert I. Wertheimer ; sponsored by National Center for Health Service Research
U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Services Research , available from National technical Information Service[1977]NCHSR research proceedings series
, DHEW publication
no. (HRA) 77-3186
Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Services Research[1975]DHEW publication
no. (HRA) 77-3138 , NCHSR research proceedings series
