TY JOUR TI PERCUTANEOUS ENDOSCOPIC GASTROSTOMY (LITERATURE REVIEW) KW percutaneous endoscopic gastrostomy KW indications KW contraindications KW technique of execution KW complications and their prevention JO Clinical Medicine and Pharmacology AU Guseynov, A.Z. AU Guseynov, T.A. PY 2022 IS 8 PB LLC Information and publishing center Innovations and investments