Wagnild, Janelle M, Akhter, Nasima, Lee, Diana, Jayeola, Babatunde, Darko, Delese Mimi, Adeyeye, Moji Christianah, Komeh, James P, Nahamya, David, Kasim, Adetayo, Hampshire, Kate, "The role of constraints and information gaps in driving risky medicine purchasing practices in four African countries.", Health policy and planning, 2024