Yahaya , S.; Olorukooba , A.; Kabir , S.; Sani , N.; Waziri, N.; Sule , A.; Idongesit , N.; Obansa , U.; Jamilu , R.; Bello , U.; Suleiman , K.; Bukar , A. Impact Assessment of Corona Virus Disease 2019 (COVID-19) on Health Services in Katsina State, Nigeria. ajhs 2021, 34, 392-400.