Patel, Neha A Pediatric airway study: Endoscopic grading system for quantifying tonsillar size in comparison to standard adenotonsillar grading systems. [electronic resource] - American journal of otolaryngology - 56-64 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1532-818X Standard No.: 10.1016/j.amjoto.2017.10.013 doi Subjects--Topical Terms: Adenoids--pathologyAdolescentAge FactorsAirway Obstruction--diagnosisChildChild, PreschoolCohort StudiesFemaleHumansHypertrophy--pathologyLaryngoscopy--methodsMaleObserver VariationPalatine Tonsil--pathologyPediatricsPolysomnography--methodsProspective StudiesRisk AssessmentSensitivity and SpecificitySeverity of Illness IndexSex FactorsSleep Apnea, Obstructive--diagnosis