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pro vyhledávání: '"Frans Helmerhorst"'
Autor:
Marc Steigenga, Frans Helmerhorst, Jurien De Koning, Ans Tijssen, Sebastiaan Ruinard, Frietson Galis
Publikováno v:
Animal Biology. 56:63-68
The presence of a rib on the seventh cervical vertebra (a cervical rib) represents one of the most common intraspecific variations of the number of cervical vertebrae in mammals. Cervical ribs are highly associated with stillbirths, congenital abnorm
Autor:
Frans Helmerhorst
Publikováno v:
Obstetrical & Gynecological Survey; Jun2006, Vol. 61 Issue 6, p402-414, 13p