Multi-level pregnancy test use for medical abortion follow-up after 63 days’ gestation: Evidence from prenatal hCG data
2013 ◽
Vol 121
(2)
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pp. 144-148
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2018 ◽
Vol 144
(1)
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pp. 97-102
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2014 ◽
Vol 89
(5)
◽
pp. 440-445
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Keyword(s):
2015 ◽
Vol 91
(2)
◽
pp. 178-183
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Keyword(s):