A multiple linear stepwise regression of risk factors for bad marriage in the elderly
MA Youju, SHI Junrong, WU Xueshan, GU Yonghong, WANG Liwen, ZHANG Xiaoyan, WANG Weiming
Medical Reserch and Education . 2015, (5): 46 -49 .  DOI: 10.3969/j.issn.1674-490X.2015.05.012