Multicentre randomised placebo-controlled trial of oral anticoagulation with apixaban in systemic sclerosis-related pulmonary arterial hypertension: the SPHInX study protocol
Alicia Calderone, Wendy Stevens, David Prior, Harshal Nandurkar, Eli Gabbay, Susanna M Proudman, Trevor Williams, David Celermajer, Joanne Sahhar, Peter K K Wong, Vivek Thakkar, Nathan Dwyer, Jeremy Wrobel, Weng Chin, Danny Liew, Margaret Staples, Rachelle Buchbinder, Mandana Nikpour
BMJ Open Dec 2016, 6 (12) e011028; DOI: 10.1136/bmjopen-2016-011028