Chevretton, E The prevention of tympanic membrane perforation following the removal of long-term Paparella type II ventilation tubes. [electronic resource] - Clinical otolaryngology and allied sciences Oct 1987 - 377-81 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0307-7772 Standard No.: 10.1111/j.1365-2273.1987.tb00220.x doi Subjects--Topical Terms: AdolescentChildFollow-Up StudiesHumansMiddle Ear Ventilation--instrumentationOtitis Media with Effusion--surgeryPostoperative Complications--prevention & controlRisk FactorsTympanic Membrane--injuries