Chipponi JX, Bleier JC, Santi MT, Rudman D (mai 1982). „Deficiencies of essential and conditionally essential nutrients”. The American Journal of Clinical Nutrition. 35 (5 Suppl): 1112–6. doi:10.1093/ajcn/35.5.1112. PMID6805293.
Carver, Jane (). „Conditionally essential nutrients: choline, inositol, taurine, arginine, glutamine and nucleotides”. În Thureen, Patti J; Hay, William W. Neonatal Nutrition and Metabolism. Cambridge, UK: Cambridge University Press. pp. 299–311. doi:10.1017/CBO9780511544712.020. ISBN9780511544712.
Kendler BS (). „Supplemental conditionally essential nutrients in cardiovascular disease therapy”. The Journal of Cardiovascular Nursing. 21 (1): 9–16. doi:10.1097/00005082-200601000-00004. PMID16407731.
Chipponi JX, Bleier JC, Santi MT, Rudman D (mai 1982). „Deficiencies of essential and conditionally essential nutrients”. The American Journal of Clinical Nutrition. 35 (5 Suppl): 1112–6. doi:10.1093/ajcn/35.5.1112. PMID6805293.
Kendler BS (). „Supplemental conditionally essential nutrients in cardiovascular disease therapy”. The Journal of Cardiovascular Nursing. 21 (1): 9–16. doi:10.1097/00005082-200601000-00004. PMID16407731.