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Hsiao WC, Braun P, Becker ER, Dunn DL, Kelly N, Causino N, McCabe MD, Rodriguez E.Hsiao WC, et al.Med Care. 1992 Nov;30(11 Suppl):NS61-79. doi: 10.1097/00005650-199211001-00006.Med Care. 1992.PMID: 1434968
Becker ER, Dunn D, Braun P, Hsiao WC.Becker ER, et al. Among authors: hsiao wc.Am J Public Health. 1990 Jul;80(7):799-803. doi: 10.2105/ajph.80.7.799.Am J Public Health. 1990.PMID: 2356903Free PMC article.