Template:Ref-BarnardDay1937
From Embryology
Barnard WG. and Day TD. The development of the terminal air passages of the human lung. (1937) J. Pathol. and Bacteriol. :57-73.
Barnard WG. and Day TD. The development of the terminal air passages of the human lung. (1937) J. Pathol. and Bacteriol. :57-73.