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Chiesa, Fausto; Sala, Luigi; Costa, Luigi; Moglia, Daniele; Mauri, Maurizio; Podrecca, Stefano; Andreola, Salvatore; Marchesini, Renato; Bandieramonte, Gaetano; Bartoli, Cesare; Massara, Giovanni; Molinari, Roberto . (1986). Excision of Oral Leukoplakias by CO <sub/>2</sub> Laser on an Out-Patient Basis: A Useful Procedure for Prevention and Early Detection of Oral Carcinomas. Tumori Journal, 72(3), 307–312. doi:10.1177/030089168607200312 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research