APA

Littlewood A., Kloukos D., . (20191206). Searching the literature for studies for a systematic review. Part 2: Resources for searching the medical literature. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics.

Chicago

Littlewood Anne, Kloukos Dimitrios, . 20191206. Searching the literature for studies for a systematic review. Part 2: Resources for searching the medical literature. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics.

Harvard

Littlewood A., Kloukos D., . (20191206). Searching the literature for studies for a systematic review. Part 2: Resources for searching the medical literature. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics.

MLA

Littlewood Anne, Kloukos Dimitrios, . Searching the literature for studies for a systematic review. Part 2: Resources for searching the medical literature. : American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics. 20191206.