APA
Jackman J. D., Navetta F. I., Smith J. E., Tcheng J. E., Davidson C. J., Phillips H. R., Califf R. M., Nelson C. L., Gardner L. H. & Stack R. S. (19910729). Percutaneous transluminal coronary angioplasty in octogenarians as an effective therapy for angina pectoris. : The American journal of cardiology.
Chicago
Jackman J D, Navetta F I, Smith J E, Tcheng J E, Davidson C J, Phillips H R, Califf R M, Nelson C L, Gardner L H and Stack R S. 19910729. Percutaneous transluminal coronary angioplasty in octogenarians as an effective therapy for angina pectoris. : The American journal of cardiology.
Harvard
Jackman J. D., Navetta F. I., Smith J. E., Tcheng J. E., Davidson C. J., Phillips H. R., Califf R. M., Nelson C. L., Gardner L. H. and Stack R. S. (19910729). Percutaneous transluminal coronary angioplasty in octogenarians as an effective therapy for angina pectoris. : The American journal of cardiology.
MLA
Jackman J D, Navetta F I, Smith J E, Tcheng J E, Davidson C J, Phillips H R, Califf R M, Nelson C L, Gardner L H and Stack R S. Percutaneous transluminal coronary angioplasty in octogenarians as an effective therapy for angina pectoris. : The American journal of cardiology. 19910729.