Ratnaningtyas, W. D., Sawitri, S., Murtiastutik, D. and Hidayati, A. N. (2020) “The Difference of Serum Vitamin E Levels between Adolescent Patients with and without Acne Vulgaris”, Berkala Ilmu Kesehatan Kulit dan Kelamin, 32(1), pp. 40–47. doi: 10.20473/bikk.V32.1.2020.40-47.