(Q37074193)
Statements
1 reference
The use of oral contraceptive before pregnancy and breastfeeding duration: a cross-sectional study with retrospective ascertainment (English)
1 reference
Wilfried Karmaus
1 reference
Nelís Soto-Ramírez
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
Identifiers
1 reference