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Kaiser MA, Manning DT, Balson PM.Kaiser MA, et al. Among authors: manning dt.J Community Health. 1989 Winter;14(4):215-26. doi: 10.1007/BF01338873.J Community Health. 1989.PMID: 2621263
Manning D, Balson PM, Barenberg N, Moore TM.Manning D, et al.J Am Coll Health. 1989 Sep;38(2):67-73. doi: 10.1080/07448481.1989.9938418.J Am Coll Health. 1989.PMID: 2778227