For citations:

The use of autologous platelet-rich plasma in the complex treatment of anal fissure combined with anal sphincter spasm in non-hospital settings, Boris M. Belik, Alexey N. Kovalev. Koloproktologia. 2022;21(1):59. (In Russ.) https://doi.org/10.33878/2073-7556-2022-21-1-59