(1)
Ratnaningtyas, W. D.; Sawitri, S.; Murtiastutik, D.; Hidayati, A. N. The Difference of Serum Vitamin E Levels Between Adolescent Patients With and Without Acne Vulgaris. Berkala Ilmu Kesehatan Kulit dan Kelamin (Periodical of Dermatology and Venerology) 2020, 32, 40-47.