By Pettker Christian M   in Expert Review of Obstretrics and Gynecology

ISSN:1747-4108|2|3|265-266

Informa Healthcare‎(2007)‎

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By Martin Deanna K.   Bulmer Sandra M.   Pettker Christian M.   in The Journal of Perinatal Education

ISSN:1548-8519|22|2|103-112

Springer Publishing Company ‎(2013)‎

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By Erekson Elisabeth A.   Brousseau E. Christine   Dick-Biascoechea Madeline A.   Ciarleglio Maria M.   Lockwood Charles J.   Pettker Christian M.   in Journal of Maternal-Fetal and Neonatal Medicine

ISSN:1476-4954|25|12|2639-2644

Informa Healthcare‎(2012)‎

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