In vitro fertilization-embryo transfer (IVF-ET) in the United States: 1989 results from the IVF-ET Registry**Supported by a contract from Serono Laboratories, Inc., Norwell, Massachusetts.
1991 ◽
Vol 55
(1)
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pp. 14-23
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1989 ◽
Vol 51
(1)
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pp. 13-19
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1990 ◽
Vol 53
(1)
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pp. 13-20
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1988 ◽
Vol 49
(2)
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pp. 212-215
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1992 ◽
Vol 39
(1)
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pp. 73-73
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1992 ◽
Vol 57
(1)
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pp. 15-24
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1993 ◽
Vol 59
(1)
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pp. 250
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1985 ◽
Vol 2
(2)
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pp. 65-86
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