Statin use following intracerebral hemorrhage a decision analysis buy clomid safely online uk paypal 57, 60 In lung sections of these PAH patients, perivascular lesions are characterized by the infiltration of immune cells of varying levels, 27 including B and T lymphocytes, 61 65 macrophages, 67 neutrophils, 66 68 dendritic cells, 65, 69 and mast cells