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Kalman DA, Hughes J, van Belle G, Burbacher T, Bolgiano D, Coble K, Mottet NK, Polissar L.Kalman DA, et al. Among authors: polissar l.Environ Health Perspect. 1990 Nov;89:145-51. doi: 10.1289/ehp.9089145.Environ Health Perspect. 1990.PMID: 2088741Free PMC article.
Moinpour CM, Polissar L.Moinpour CM, et al. Among authors: polissar l.Am J Public Health. 1989 Nov;79(11):1549-51. doi: 10.2105/ajph.79.11.1549.Am J Public Health. 1989.PMID: 2817170Free PMC article.