(Q51659680)
Statements
Landmarks during the first forty-two days of gestation demonstrated by the beta-subunit of human chorionic gonadotropin and ultrasound (English)
Landmarks during the first forty-two days of gestation demonstrated by the β-subunit of human chorionic gonadotropin and ultrasound (English)
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F. R. Batzer
S. Weiner
S. L. Corson
S. Schlaff
1 August 1983
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