Fauzah, F., R. Nasution, A. Nasution, R. Daulay, H. Lubis, and Z. Siregar. “Tuberculin Test on Infants and Children Who Had Been Given BCG Vaccination During Neonatal Period”. Paediatrica Indonesiana, Vol. 36, no. 7-8, Dec. 2017, pp. 160-8, doi:10.14238/pi36.7-8.1996.160-8.