Validation of the Los Angeles Pre-Hospital Stroke Screen (LAPSS) in a Chinese Urban Emergency Medical Service Population Chen, Shengyun ; Sun, Haixin ; Lei, Yanni ; Gao, Ding ; Wang, Yan ; Wang, Yilong ; Zhou, Yong ; Wang, Anxin ; Wang, Wenzhi ; Zhao, Xingquan Abstract Publication: PLoS ONE Pub Date: August 2013 DOI: 10.1371/journal.pone.0070742 Bibcode: 2013PLoSO...870742C