Payne, J. V. (1972). "Benign red pigmentation of stool resulting from food coloring in a new breakfast cereal (the Franken Berry stool)". Pediatrics. 49 (2): 293–294. doi:10.1542/peds.49.2.293. PMID5059537. S2CID6104019.
Payne, J. V. (1972). "Benign red pigmentation of stool resulting from food coloring in a new breakfast cereal (the Franken Berry stool)". Pediatrics. 49 (2): 293–294. doi:10.1542/peds.49.2.293. PMID5059537. S2CID6104019.
Payne, J. V. (1972). "Benign red pigmentation of stool resulting from food coloring in a new breakfast cereal (the Franken Berry stool)". Pediatrics. 49 (2): 293–294. doi:10.1542/peds.49.2.293. PMID5059537. S2CID6104019.