Health systems readiness and quality of inpatient malaria case-management in Kano State, Nigeria by Ojo, AA, Maxwell, K, Oresanya, O, Adaji, J, Hamade, P, Tibenderana, JK, Abubakar, SS, Audu, BM, Njidda, A, Gubio, AB, Snow, RW, Zurovac, D