Pitfalls of administrative database analysis are evident when assessing the 'weekend effect' in stroke.
Keck School of Medicine, University of Southern California, Los Angeles, California, USA.
Frank J
FJ
Attenello
Keck School of Medicine, University of Southern California, Los Angeles, California, USA.
William J
WJ
Mack
D002545:Brain Ischemia; D006801:Humans; D020521:Stroke; D013997:Time Factors