TY - RPRT TI - Difficulties with fiberoptic bronchoscopic cryotherapy. AU - V B Tchakaroff AU - E T Obretenoff AU - G T Kalaijiev AU - P T Vidolov PY - 1997 DO - 10.1378/chest.112.4.1150-b UR - https://pubmed.ncbi.nlm.nih.gov/9377942/ ID - 9377942 ER -