By Aptekar L.   Paardekooper B.   Kuebli J.   in International Journal of Group Tensions

ISSN:0047-0732|29|1-2|101-134

Springer Publishing Company ‎(2000)‎

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By Jackson D.   Aptekar L.   Thompson K.   Aptekar M.   in The Ultrasound Review of Obstetrics & Gynecology

ISSN:1472-2240|1|3|216-247

Informa Healthcare‎(2001)‎

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