{{Cite journal| doi = 10.1136/bmjopen-2021-059919| issn = 2044-6055 (Electronic) 2044-6055 (Linking)| volume = 12| issue = 6| pages = –059919| last1 = Gruber| first1 = B. U.| last2 = Girsberger| first2 = V.| last3 = Kusstatscher| first3 = L.| last4 = Funk| first4 = S.| last5 = Luethy| first5 = A.| last6 = Jakus| first6 = L.| last7 = Maillard| first7 = J.| last8 = Steiner| first8 = L. A.| last9 = Dell-Kuster| first9 = S.| last10 = Burkhart| first10 = C. S.| title = Comparing propofol anaesthesia guided by Bispectral Index monitoring and frontal EEG wave analysis with standard monitoring in laparoscopic surgery: protocol for the 'EEG in General Anaesthesia - More Than Only a Bispectral Index' Trial, a multicentre, double-blind, randomised controlled trial| journal = BMJ Open| date = 2022-06-11| pmid = 35688587}}