Status and Influencing Factors for Self-reported Elderly Care Options among Chinese People Bereaved of Their Only Child 
RONG Chao1,ZHAO Feng1,XIE Rong-rong1,FU Chuan-xi2,WANG Xiao-ming3,SHEN Shu-hua3,ZHENG Wei-jun2,CHEN Ru-cheng2,TAN Jian-gang1*
Chinese General Practice . 2018, (16): 1949 -1953 .  DOI: 10.3969/j.issn.1007-9572.2018.16.009