Marpaung, S. C., Jusuf, N. K. and Putra, I. B. (2021) “Comparison of brain-derived neurotrophic factor (BDNF) serum level in inflammatory and non-inflammatory acne vulgaris”, Bali Medical Journal, 10(2), pp. 659–662. doi: 10.15562/bmj.v10i2.2438.