Fortinash, Katherine M., author
Mosby-Year Book, 1991
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Sherwen, Laurie N., author
Appleton & lange , 1995
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Huber, Diane L., author
Elsevier, 2006
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Beyers, Marjorie, author
Litle Brown , 1979
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Tyson, Shirley Rose, author
Saunders , 1999
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