Template:Ref-Waterston1914somites27
From Embryology
Waterston D. A human embryo of twenty-seven pairs of somites, embedded in decidua. (1914) J Anat Physiol., 49(1): 90-118 PMID 17233016
Waterston D. A human embryo of twenty-seven pairs of somites, embedded in decidua. (1914) J Anat Physiol., 49(1): 90-118 PMID 17233016