APA

Paterna S., Martino S. G., Campisi D., Cascio Ingurgio N. & Marsala B. A. (19910124). [Evaluation of the effects of verapamil, flunarizine, diltiazem, nimodipine and placebo in the prevention of hemicrania. A double-blind randomized cross-over study]. : La Clinica terapeutica.

Chicago

Paterna S, Martino S G, Campisi D, Cascio Ingurgio N and Marsala B A. 19910124. [Evaluation of the effects of verapamil, flunarizine, diltiazem, nimodipine and placebo in the prevention of hemicrania. A double-blind randomized cross-over study]. : La Clinica terapeutica.

Harvard

Paterna S., Martino S. G., Campisi D., Cascio Ingurgio N. and Marsala B. A. (19910124). [Evaluation of the effects of verapamil, flunarizine, diltiazem, nimodipine and placebo in the prevention of hemicrania. A double-blind randomized cross-over study]. : La Clinica terapeutica.

MLA

Paterna S, Martino S G, Campisi D, Cascio Ingurgio N and Marsala B A. [Evaluation of the effects of verapamil, flunarizine, diltiazem, nimodipine and placebo in the prevention of hemicrania. A double-blind randomized cross-over study]. : La Clinica terapeutica. 19910124.