Contribution of health information system to child immunization services in Ethiopia: baseline study of 33 woredas. - Abebaw Worku; Hibret Alemu; Hiwot Belay; Afrah Mohammedsanni; Wubshet Denboba; Frehiwot Mulugeta; Shemsedin Omer; Biruk Abate; Mesoud Mohammed; Mohammed Ahmed; Yakob Wondarad; Meskerem Abebaw (BMC Medical Informatics Decis. Mak., 2022)