Effect of national guidance on survival for babies born at 22 weeks’ gestation in England and Wales: population based cohort study
Lucy K Smith, Emily van Blankenstein, Grenville Fox, Sarah E Seaton, Mario Martínez-Jiménez, Stavros Petrou, Cheryl Battersby, MBRRACE-UK Perinatal Surveillance Group
BMJ Medicine Oct 2023, 2 (1) e000579; DOI: 10.1136/bmjmed-2023-000579