Effect of the calcium channel blocker nifedipine on Raynaud's phenomenon. A controlled double blind trial

nifedipine; placebo; cardiovascular system; clinical article; controlled study; drug efficacy; drug therapy; human; oral drug administration; peripheral vascular system; raynaud phenomenon; systemic lupus erythematosus; therapy; Adult; Aged; Clinical Trials; Double-Blind Method; Female; Human; Male; Middle Age; Nifedipine; Placebos; Raynaud's Disease; Support, Non-U.S. Gov't

VIVO