Zheng, H., Tan, J., Ma, K. & Meng, W. 2020, 'Changes in RT‐PCR test results and symptoms during the menstrual cycle of female individuals infected with SARS‐CoV‐2 : report of two cases', Journal of Medical Virology, 93(1), pp. 541-545. https://doi.org/10.1002/jmv.26275