RT Journal Article SR Electronic T1 Pre-hospital period in patients with myocardial infarction in Turkey. Methodological and statistical pitfalls JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1464 OP 1465 VO 28 IS 9 A1 Afifi, Mustafa M. YR 2007 UL http://smj.org.sa/content/28/9/1464.abstract AB