R. I. Zahroh,A. Hazfiarini,K. E. Eddy,J. P. Vogel,Ӧ. Tunçalp,N. Minckas,F. Althabe,O. T. Oladapo and M. A. Bohren. Factors influencing appropriate use of interventions for management of women experiencing preterm birth: A mixed-methods systematic review and narrative synthesis. PLoS Med. 2022;19(8):10.1371/journal.pmed.1004074.