Template:Ref-Negus1925
From Embryology
Negus VE. Evolutionary factors in the production of pharyngeal diverticula. (1925) J. Laryng. and Otology. 40(11): 702 - 224.
Negus VE. Evolutionary factors in the production of pharyngeal diverticula. (1925) J. Laryng. and Otology. 40(11): 702 - 224.