NHS staff in England will be able to access evidence based mental health services from 40 hubs nationwide, NHS England has said.Care will be provided free […]
The NHS has administered a covid-19 vaccine to more than 18 million people, a quarter of the UK population, since December—an extraordinary logistical achievement.1But vaccinating everybody […]
Instrumental variable approachIn our study (doi:10.1136/bmj.n156), we used a novel set of methods to combine evidence from previously reported randomized trials that share a common biological…