Continuous Positive Airway Pressure plus Mandibular Advancement Therapy (PAPMAT): study protocol for an adaptive randomised crossover trial comparing the benefits and costs of comb... oleh Martin Law, Sofia Villar, Nicholas Oscroft, Victoria Stoneman, Julia Fox-Rushby, Yi-Da Chiu, Jo Steele, Thomas Devine, Claire Francis, Thomas Claydon, Graham Hill, Ka Keat Lim, Joanna Rayner, Mandy Williams, Emma Spires, Timothy Quinnell