RT - Journal Article T1 - Covid-19 in the Elderly and Patient with Comorbidity JF - JMERC YR - 2020 JO - JMERC VO - 12 IS - 4 UR - http://ijwph.ir/article-1-932-en.html SP - 267 EP - 270 K1 - This article has no keywords. AB - Abstract This article has no abstract. LA eng UL http://ijwph.ir/article-1-932-en.html M3 10.52547/ijwph.12.4.267 ER -