Salivary cortisol levels and burning symptoms in patients with burning mouth syndrome before and after low level laser therapy : a double blind controlled randomized clinical trial = Razina kortizola i simptomi žarenja kod bolesnika sa sindromom pekućih usta prije i nakon liječenja niskoenergijskim laserom : dvostruko slijepa, kontrolirana i randomizirana klinička studija - Škrinjar, Ivana (Array, 2020)