Nailfold capillaroscopy and candidate-biomarker levels in systemic sclerosis-associated pulmonary hypertension: A cross-sectional study

Jacqueline Lemmers, Arjan van Caam, Brigit E. Kersten, Cornelia van den Ende, Hanneke Knaapen, Arie van Dijk, Wanda Hagmolen of Ten Have, Frank van den Hoogen, Hans J P M Koenen, Sander van Leuven, Wynand Alkema, Ruben L Smeets, Madelon C. Vonk