Closing the gap : key areas for action on the health and care workforce. - Imison, Candace; McKenna, Helen; The King's Fund; Evans, Harry; Gershlick, Ben; Palmer, Billy; Charlesworth, Anita; Hemmings, Nina; Kahtan, Pinchas; Bottery, Simon; Health Foundation; Beech, Jake; Murray, Richard; Nuffield Trust (The King's Fund; Nuffield Trust; Health Foundation, 2021)