1. Bakhtiyarova, Yu.V., Galkina, I.V., and Galkin, V.I., Sintez karboksilatnykh fosfabetainov (Synthesis of Carboxylate Phosphabetaines), Kazan: Kazansk. (Privolzhsk.) Fed. Univ., 2013.
2. Orlova, O.V., Oslopov, V.N., and Sidullina, S.A., Kazan. Med. Zh., 2012, vol. 93, p. 505.
3. Galkina, I.V. and Egorova, S.N., Med. Almanakh, 2009, vol. 3, no. 8, p. 142.
4. Heller, A., Brockhoff, G., and Goepferich, A., Eur. J. Pharm. Biopharm., 2012, vol. 82, p. 1. https://doi.org/10.1016/j.ejpb.2012.05.014
5. Dai, W.-L., Jin, B., Luo, S.-L., Luo, X.-B., Tu, X.-M., and Au, C.-T., Appl. Catal. (A), 2014, vol. 470, p. 183. https://doi.org/10.1016/j.apcata.2013.10.060