L. R. DRĂGAN, R. CRAINIC, and R. FECHETE, “A COMPARATIVE STUDY FOR NATURAL DEGRADATION OF THREE LOCAL ANESTHETIC DRUGS FOR HUMAN USE BY ¹H NMR RELAXOMETRY AND FT-IR SPECTROSCOPY”, Studia UBB Physica, vol. 63, no. 1-2, pp. 61–73, Dec. 2018.