Post-spastic flow recovery time to document vasospasm induced ischemia during acetylcholine provocation testing. - Feenstra RGT; Woudstra J; Bijloo I; Vink CEM; Boerhout CKM; de Waard GA; Wittekoek ME; de Winter RJ; Marques KMJ; Eringa EC; van de Hoef TP; Beijk MAM; et al. (International journal of cardiology. Heart & vasculature, 2023)