Template:Ref-Willis1932
From Embryology
Willis RA. A monstrous twin embryo in a lizard, tiliqua scincoides . (1932) J Anat. 66: 189-201. PMID 17104367
Willis RA. A monstrous twin embryo in a lizard, tiliqua scincoides . (1932) J Anat. 66: 189-201. PMID 17104367