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Ahmed NU, Zeitlin MF, Beiser AS, Super CM, Gershoff SN, Ahmed MA.Ahmed NU, et al. Among authors: gershoff sn.Int Q Community Health Educ. 1991 Jan 1;12(3):183-202. doi: 10.2190/EX5T-H8NU-P4YJ-1RCN.Int Q Community Health Educ. 1991.PMID: 20840968