Grewal G S, Singh B, Sahota P S
Avian Dis. 1976 Jul-Sep;20(3):581-6.
In 13,483 necropsies of domestic fowl, six anomalies were recorded: bifurcation of the metasternum, duplication of the ileum, pancreas divisum (partial), vesica fellea occulta, aplasia of the left cecum, and aplasia of the right kidney (2 cases).