The efficacy and safety of varenicline alone versus in combination with nicotine lozenges for smoking cessation among hospitalised smokers (VANISH): study protocol for a randomised... oleh Rukshar Kaizerali Gobarani, Gregory R Weeks, Michael J Dooley, Brian J Smith, Antony Veale, Ashley Webb, Sue Kirsa, Dennis Thomas, Rudi Gasser, Eldho Paul, Jacqueline Parkinson, Darshana Meanger, Lisa Coward, Zoe Kopsaftis, Olivia Rofe, Paula Lee, Johnson George