TY - RPRT TI - Bubble solution diagnoses ProSeal insertion into the glottis. AU - Cornelius J O'Connor AU - Michael S Stix PY - 2002 DO - 10.1097/00000539-200206000-00065 UR - https://pubmed.ncbi.nlm.nih.gov/12032055/ ID - 12032055 ER -