Implementation and evaluation of a community walking blood bank for haemorrhagic shock when banked blood is unavailable: protocol for a mixed-methods, effectiveness-implementation study - phase 2 of the Local Initiative for emergency blood (LIFE-Blood) study. - Kumar N; Mathew F; Sawhney R; Thompson AA; Makanga C; Williams W; Wesonga C; Musa A; Nyanamba NO; Lokuruka KK; Barmasai H; Wakwabubi M; et al. (BMJ open, 2026)