Snapshot of Obstetric National Audit and Research Project (SONAR1): aprotocol for an international observational cohort study.
Patel R, O'Carroll J, Kua J, Sultan P, Carvalho B, El Sharawi N, Eley V, O'Brien P, Stanford S, Hill S, Craig R, Lucas N, Hou B, Moonesinghe SR. Snapshot of Obstetric National Audit and Research Project (SONAR1): aprotocol for an international observational cohort study. BMJ Open. 2025 Jun 24; 15(6):e103525.