1. A study of the developmental relationship between enterochromaffin cells and the neural crest;Andrew;J. Embryol. Exp. Morphol,1963
2. APUD cells in the endocrine pancreas and the intestine of chick embryos;Andrew;Gen. Comp. Endocrinol,1975
3. Pancreatic APUD cells in older chick embryos, with special reference to their identity;Andrew;Histochemistry,1976
4. An experimental investigation into the possible neural crest origin of pancreatic APUD (islet) cells;Andrew;J. Embryol. Exp. Morphol,1976
5. Techniques Histologiques;Baker,1944