Ethan, D.; Basch, C. H.; Samuel, L.; Quinn, C.; Dunne, S. (2015). "An examination of product packaging marketing strategies used to promote pediatric multivitamins". Journal of Community Health. 40 (3): 564–568. doi:10.1007/s10900-014-9972-1. PMID25416097. S2CID8756058.
Lam, H. S.; Chow, C. M.; Poon, W. T.; Lai, C. K.; Chan, K. C.; Yeung, W. L.; Hui, J.; Chan, A. Y.; Ng, P. C. (2006). "Risk of vitamin A toxicity from candy-like chewable vitamin supplements for children". Pediatrics. 118 (2): 820–824. doi:10.1542/peds.2006-0167. PMID16882846. S2CID46235487.
Ethan, D.; Basch, C. H.; Samuel, L.; Quinn, C.; Dunne, S. (2015). "An examination of product packaging marketing strategies used to promote pediatric multivitamins". Journal of Community Health. 40 (3): 564–568. doi:10.1007/s10900-014-9972-1. PMID25416097. S2CID8756058.
Lam, H. S.; Chow, C. M.; Poon, W. T.; Lai, C. K.; Chan, K. C.; Yeung, W. L.; Hui, J.; Chan, A. Y.; Ng, P. C. (2006). "Risk of vitamin A toxicity from candy-like chewable vitamin supplements for children". Pediatrics. 118 (2): 820–824. doi:10.1542/peds.2006-0167. PMID16882846. S2CID46235487.
Ethan, D.; Basch, C. H.; Samuel, L.; Quinn, C.; Dunne, S. (2015). "An examination of product packaging marketing strategies used to promote pediatric multivitamins". Journal of Community Health. 40 (3): 564–568. doi:10.1007/s10900-014-9972-1. PMID25416097. S2CID8756058.
Lam, H. S.; Chow, C. M.; Poon, W. T.; Lai, C. K.; Chan, K. C.; Yeung, W. L.; Hui, J.; Chan, A. Y.; Ng, P. C. (2006). "Risk of vitamin A toxicity from candy-like chewable vitamin supplements for children". Pediatrics. 118 (2): 820–824. doi:10.1542/peds.2006-0167. PMID16882846. S2CID46235487.