title: Diagnostic value of transthoracic Doppler echocardiography in pulmonary hypertension: a meta-analysis.
authors.affiliation: Department of Respiratory Medicine, Sir Run Run Shaw Hospital, Medical School of Zhejiang University, Hangzhou, China.
authors.forename: Rui Feng
authors.initials: RF
authors.lastname: Zhang
authors.forename: Lin
authors.initials: L
authors.lastname: Zhou
authors.forename: Guo Feng
authors.initials: GF
authors.lastname: Ma
authors.forename: Fang Chun
authors.initials: FC
authors.lastname: Shao
authors.forename: Xiao Hong
authors.initials: XH
authors.lastname: Wu
authors.forename: Ke Jing
authors.initials: KJ
authors.lastname: Ying