Nurazizah, E., Tih, F. and Suwindere, W. 2015. Black Chocolate Consumption Reduces Subjective Symptoms in 18-22 Years Old Females with Premenstrual Syndrome. Journal of Medicine and Health. 1, 1 (Feb. 2015). DOI:https://doi.org/10.28932/jmh.v1i1.502.