APA
Gan R. W. C., Daniel M., Ridley M. & Barry J. G. (20190130). Quality of questionnaires for the assessment of otitis media with effusion in children. : Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery.
Chicago
Gan R W C, Daniel M, Ridley M and Barry J G. 20190130. Quality of questionnaires for the assessment of otitis media with effusion in children. : Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery.
Harvard
Gan R. W. C., Daniel M., Ridley M. and Barry J. G. (20190130). Quality of questionnaires for the assessment of otitis media with effusion in children. : Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery.
MLA
Gan R W C, Daniel M, Ridley M and Barry J G. Quality of questionnaires for the assessment of otitis media with effusion in children. : Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery. 20190130.