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Karlic H, Lohninger A (2004). "Supplementation of L-carnitine in athletes: does it make sense?". Nutrition. 20 (7–8): 709–15. doi:10.1016/j.nut.2004.04.003. PMID15212755.
Matsuoka M, Igisu H (July 1993). "Comparison of the effects of L-carnitine, D-carnitine and acetyl-L-carnitine on the neurotoxicity of ammonia". Biochemical Pharmacology. 46 (1): 159–64. doi:10.1016/0006-2952(93)90360-9. PMID8347126.
Tars K, Rumnieks J, Zeltins A, Kazaks A, Kotelovica S, Leonciks A, et al. (August 2010). "Crystal structure of human gamma-butyrobetaine hydroxylase". Biochemical and Biophysical Research Communications. 398 (4): 634–9. doi:10.1016/j.bbrc.2010.06.121. PMID20599753.
Karlic H, Lohninger A (2004). "Supplementation of L-carnitine in athletes: does it make sense?". Nutrition. 20 (7–8): 709–15. doi:10.1016/j.nut.2004.04.003. PMID15212755.