Source:
American journal of public health [Am J Public Health] 2004 Jul; Vol. 94 (7), pp. 1152-8.Publisher: American Public Health Association Country of Publication: United States NLM ID: 1254074 Publication Model: Print Cited Medium: Print
Authors : de la Torre A; Health Care Administration Program, College of Health and Human Services, California State University, Long Beach, CA 90840, USA.; Friis R
Source:
American journal of public health [Am J Public Health] 1996 Apr; Vol. 86 (4), pp. 533-7.Publisher: American Public Health Association Country of Publication: United States NLM ID: 1254074 Publication Model: Print Cited Medium: Print