Islam, M. A., Alam, S. S., Kundu, S., Hossan, T., Kamal, M. A., & Cavestro, C. (2020). Prevalence of Headache in Patients With Coronavirus Disease 2019 (COVID-19): A Systematic Review and Meta-Analysis of 14,275 Patients. Front Neurol.

Islam, Md Asiful, Sayeda Sadia Alam, Shoumik Kundu, Tareq Hossan, Mohammad Amjad Kamal, und Cinzia Cavestro. "Prevalence of Headache in Patients With Coronavirus Disease 2019 (COVID-19): A Systematic Review and Meta-Analysis of 14,275 Patients." Front Neurol 2020.

Islam, Md Asiful, et al. "Prevalence of Headache in Patients With Coronavirus Disease 2019 (COVID-19): A Systematic Review and Meta-Analysis of 14,275 Patients." Front Neurol 2020.