 | psychological shock, comparative sexual response to, 160
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 | psychology, evolutionary, 12
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 | psychometricians, 33-34
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 | psychosomatic illness, 246
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 | puberty, operations, 80
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 | Puck, T. T., 130
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 | Pugh, Thomas F., 152
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 | Purtell, J. J., 167
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 | Quindlen, Anna, 46-47
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 | Race and Evolution, 11
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 | Race, Language and Culture, 14
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 | race(s), 13-17
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 | differences within, 16
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