Fertility Treatments and Multiple Births in the United States
2013 ◽
Vol 369
(23)
◽
pp. 2218-2225
◽
2017 ◽
Vol 31
(5)
◽
pp. 438-448
◽
2014 ◽
Vol 370
(11)
◽
pp. 1069-1071
◽
2003 ◽
Vol 101
(1)
◽
pp. 129-135
◽
2004 ◽
Vol 47
(1)
◽
pp. 118-133
◽
2011 ◽
Vol 96
(1)
◽
pp. 95-101
◽
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