Jusuf, A., N. Sutandyo, S. Arumdati, E. Burhan, E. Suratman, and A. M. Jayusman. “Lung Cancer Among Young Patients in Dharmais Cancer Center Hospital, Jakarta (1994-1998)”. Medical Journal of Indonesia, Vol. 10, no. 2, May 2001, pp. 73-8, doi:10.13181/mji.v10i2.14.