河北省张家口市万全区养老机构医疗服务情况调查
吴冬雪,朱泓宇,杜月亮,耿彦生,刘树芳
Medical Reserch and Education . 2020, (1): 54 -59 .  DOI: 10.3969/j.issn.1674-490X.2020.01.010