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Kidwell CS, Saver JL, Schubert GB, Eckstein M, Starkman S (1998). "Design and retrospective analysis of the Los Angeles Prehospital Stroke Screen (LAPSS)". Prehospital Emergency Care2 (4): 267–73. doi:10.1080/10903129808958878. பப்மெட்:9799012.