Hamou JE: Microhysteroscopy-A new technique in endoscopy and its applications. Acta Endoscopica 10: 415-422,1980
Andrea M, Dias O, Santos A: Contact endoscopy during microlaryngeal surgery: a new technique for endoscopic examination of the larynx. Ann Otol Rhinol Laryngol 104: 333-339,1995
Pak MW, To KF, Leung SF et al:In vivo diagnosis of persistent and recurrent nasopharyngeal carcinoma by contact endoscopy. Laryngoscope 112: 1459-1466, 2002