Hatta, M., Supriatmo, S., Ali, M., Sinuhaji, A., Hasibuan, B., & Nasution, F. (2011). Comparison of zinc-probiotic combination therapy to zinc therapy alone in reducing the severity of acute diarrhea. Paediatrica Indonesiana, 51(1), 1-6. https://doi.org/10.14238/pi51.1.2011.1-6