(en) Botker HE, Sonne HS, Sorensen KE, « Frequency of systemic microvascular dysfunction in syndrome X and in variant angina », Am J Cardiol, vol. 78, no 2, , p. 182–6 (PMID8712140, DOI10.1016/S0002-9149(96)90393-8)
(en) Botker HE, Sonne HS, Sorensen KE, « Frequency of systemic microvascular dysfunction in syndrome X and in variant angina », Am J Cardiol, vol. 78, no 2, , p. 182–6 (PMID8712140, DOI10.1016/S0002-9149(96)90393-8)