Rare Set of 'Semi-Identical' Twins Identified in Australia

Print this page THURSDAY, Feb. 28, 2019 — They are among the rarest types of human beings — so-called “semi-identical” twins. Now, doctors in Australia say they’ve identified the world’s second known set of these twins, born from an egg fertilized by two sperm. Semi-identical twins (sesquizygotic) are classed as a third type of twin,… Read More »

New “Old” Therapies in Pulmonary Arterial Hypertension: A Clinical Roundtable

Despite recent strides in elucidating the pathophysiology of pulmonary arterial hypertension (PAH), there have been few advances in the development of novel therapies to treat the disease. The medications currently approved for PAH treatment are most beneficial in the 5% to 10% of patients with PAH who are vasoresponders, although these therapies have been shown… Read More »