du Toit J, Gray NA, Esterhuizen TM, Visser WI. Routine blood monitoring in acne vulgaris patients on isotretinoin: Is reassessment warranted? A retrospective cohort study from Tygerberg Hospital. S Afr Med J [Internet]. 2026 Apr. 30 [cited 2026 May 2];116(4):e3588. Available from: https://www.samajournals.co.za/index.php/samj/article/view/3588