Polymyosi­tis (see also: Myosi­tis)

Polymyosi­tis and Der­mato­myosi­tis
Océane Landon-​Cardinal, MD. The Arthri­tis Soci­ety . 2017. Canada. 

Autoim­mune Myosi­tis
Alana M. Nevares, MD. Merck Manuel. 2020. USA.

Inflam­ma­tory Myopathies
National Insti­tute of Neu­ro­log­i­cal Dis­or­ders and Stroke. 2020. USA.

Types of Myosi­tis
The Myosi­tis Asso­ci­a­tion. 2019. USA.

Polymyosi­tis
The Myosi­tis Asso­ci­a­tion. n.d. USA.

Polymyosi­tis Infor­ma­tion Page
National Insti­tute of Neu­ro­log­i­cal Dis­or­ders and Stroke. 2019. USA.