Guðnadóttir, Arna Ýr; Ólafsdóttir, Inga Sif; Middelveld, Roelinde; Ekerljung, Linda; Forsberg, Bertil; Franklin, Karl; Lindberg, Eva; Janson, Christer
(BMJ, 2017-05)
Introduction Studies of the health effects of moist oral tobacco, snus, have produced inconsistent results. The main objective of this study is to examine the health effects of snus use on asthma, respiratory symptoms and sleep-related problems, a field ...