Template:Ref-Girgis1926
From Embryology
Girgis A. Description of a human embryo of twenty-two paired somites. (1926) J Anat. 60(4): 382-410.1. PMID 17104111
Girgis A. Description of a human embryo of twenty-two paired somites. (1926) J Anat. 60(4): 382-410.1. PMID 17104111