“Epidemiology and clinical characteristics of Henoch-Schönlein purpura associated with Mycoplasma pneumoniae infection in 131 children in Hubei province, China”, Mediterr J Hematol Infect Dis, vol. 13, no. 1, p. Page e2021037, Apr. 2021, doi: 10.4084/MJHID.2021.037.