Trích dẫn APA

Francis, N. A., Cannings-John, R., Waldron, C., Thomas-Jones, E., Winfield, T., Shepherd, V., . . . Butler, C. C. (2018). Oral steroids for resolution of otitis media with effusion in children (OSTRICH): A double-blinded, placebo-controlled randomised trial. Lancet.

Trích dẫn kiểu Chicago

Francis, Nick A., et al. "Oral Steroids for Resolution of Otitis Media With Effusion in Children (OSTRICH): A Double-blinded, Placebo-controlled Randomised Trial." Lancet 2018.

Trích dẫn MLA

Francis, Nick A., et al. "Oral Steroids for Resolution of Otitis Media With Effusion in Children (OSTRICH): A Double-blinded, Placebo-controlled Randomised Trial." Lancet 2018.

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