Cita APA

Birkhaug, K., & Birkhaug, K. "Role of tuberculin testing, chest X-ray and BCG vaccination in the school health program".

Citación estilo Chicago

Birkhaug, Konrad, y Konrad Birkhaug. "Role of Tuberculin Testing, Chest X-ray and BCG Vaccination in the School Health Program".

Cita MLA

Birkhaug, Konrad, y Konrad Birkhaug. "Role of Tuberculin Testing, Chest X-ray and BCG Vaccination in the School Health Program".