TY - JOUR AU - Maarman, Gerald J. PY - 2020/05/27 Y2 - 2024/03/28 TI - A philosophical perspective on pulmonary hypertension: What is ‘rare’? JF - South African Journal of Science JA - S. Afr. J. Sci. VL - 116 IS - 5/6 SE - Opinion DO - 10.17159/sajs.2020/7939 UR - https://sajs.co.za/article/view/7939 SP - AB - ER -