TY - RPRT TI - Pediatric functional endoscopic sinus surgery: is a second look necessary? AU - R B Mitchell AU - K D Pereira AU - R T Younis AU - R H Lazar PY - 1997 DO - 10.1097/00005537-199709000-00020 UR - https://pubmed.ncbi.nlm.nih.gov/9292615/ ID - 9292615 ER -