The World Health Organization multinational study of breast-feeding and lactational amenorrhea. I. Description of infant feeding patterns and of the return of menses
1998 ◽
Vol 70
(3)
◽
pp. 448-460
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1998 ◽
Vol 70
(3)
◽
pp. 461-471
◽
1999 ◽
Vol 72
(3)
◽
pp. 441-447
◽
1999 ◽
Vol 72
(3)
◽
pp. 431-440
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Keyword(s):
2006 ◽
Vol 30
(4)
◽
pp. 387-389
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Keyword(s):
1994 ◽
Vol 23
(1)
◽
pp. 129-137
◽
2019 ◽
Vol 5
(03)
◽
Keyword(s):