Shahwar, D.- e, Naz, S., Saleem, S., Malik, A., & Raza, A. (2021). Knowledge, attitude, and practices regarding COVID-19 among obstetric health care professionals in a tertiary care hospital, Karachi, Pakistan. International Journal Of Community Medicine And Public Health, 8(11), 5222–5227. https://doi.org/10.18203/2394-6040.ijcmph20214253