1: Lu X, Tian Y, Lian X, Jin Y, Jin T, Zhao Q, Hu B, Shen X, Fan X. Integrated systems toxicology approaches identified the possible involvement of ABC transporters pathway in erythromycin estolate-induced liver injury in rat. Food Chem Toxicol. 2014 Mar;65:343-55. doi: 10.1016/j.fct.2013.12.050. Epub 2014 Jan 10. PubMed PMID: 24412560.
2: Lakritz J, Wilson WD, Marsh AE, Mihalyi JE. Pharmacokinetics of erythromycin estolate and erythromycin phosphate after intragastric administration to healthy foals. Am J Vet Res. 2000 Aug;61(8):914-9. PubMed PMID: 10951982.