Methods of Obtaining Epidemiological Data of Hypertensive Elderly People in an Isolated Natural Village:a Comparative Analysis 
HOU Xuliang,FENG Yong'en,YIN Tianlu,CHEN Wei,XU Shaohua,FENG Lijie,LIU Yahua,SUN Xin,SHEN Hong
Chinese General Practice . 2021, (29): 3724 -3728 .  DOI: 10.12114/j.issn.1007-9572.2021.01.305