(Q47269285)
Statements
1 reference
Interpregnancy weight gain and the male-to-female sex ratio of the second pregnancy: a population-based cohort study (English)
1 reference
Sven Cnattingius
1 reference
Pär Sparén
1 reference
Eduardo Villamor
1 reference
24 September 2007
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89
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5
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1240-1244
1 reference