Multiple Births Resulting from Assisted Reproductive Technologies in the United States, 1997–2001
2007 ◽
Vol 88
(6)
◽
pp. 1554-1561
◽
1996 ◽
Vol 65
(2)
◽
pp. 361-366
◽
1994 ◽
Vol 151
(5)
◽
pp. 1255-1259
◽
2007 ◽
Vol 87
(2)
◽
pp. 303-309
◽
2001 ◽
Vol 29
(2)
◽
pp. 197-202
◽