title: Re: The Sadé and Tos staging systems: not adequately reliable methods of staging retraction of the tympanic membrane?
authors.forename: M F
authors.initials: MF
authors.lastname: Bhutta
authors.forename: M
authors.initials: M
authors.lastname: Haggard
mesh_terms: D004427:Ear Diseases / Q000175:diagnosis* / Q000503:physiopathology*; D006801:Humans; D015203:Reproducibility of Results; D012720:Severity of Illness Index; D014432:Tympanic Membrane / Q000503:physiopathology*