RT Journal Article SR Electronic T1 Is acetylsalicylic acid plus dipyridamole superior to ASA alone for secondary prevention of stroke? JF Canadian Family Physician JO Can Fam Physician FD The College of Family Physicians of Canada SP 2235 OP 2239 VO 47 IS 11 A1 B Dalton A1 C Papoushek A1 M F Evans YR 2001 UL http://www.cfp.ca/content/47/11/2235.abstract AB