Relationship of Socioeconomic Status with Psychological State and the Number of Weeks of Pregnancy at the Time of a First Prenatal Examination among Perinatal Women
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1978 ◽
Vol 32
(1)
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pp. 41-46
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1979 ◽
Vol 40
(1)
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pp. 57-62
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1991 ◽
Vol 27
(1)
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pp. 148-158
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