Corkill, M Improved Accuracy for Cervical Cytology with the ThinPrep Method and the Endocervical Brush-Spatula Collection Procedure. [electronic resource] - Journal of lower genital tract disease Jan 1998 - 12-6 p. digital Publication Type: Journal Article ISSN: 1089-2591 Standard No.: 10.1097/00128360-199801000-00003 doi