Kindmark, A., Rollman, O., Mallmin, H., Petrén-Mallmin, M., Ljunghall, S., & Melhus, H. (1998). Oral Isotretinoin therapy in Severe Acne Induces Transient Suppression of Biochemical Markers of Bone Turnover and Calcium Homeostasis. Acta Dermato-Venereologica, 78(4), 266–269. https://doi.org/10.1080/000155598441837