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Table 1 A complete list of search terms and strategies

From: Current concepts and future of noninvasive procedures for diagnosing oral squamous cell carcinoma - a systematic review

Set Concept Search statement
1 Oral Oral cavity
2 Oral biopsy Surgical biopsy, Toluidine blue staining, Oral brush biopsy, Optical Biopsy
3 Optical Biopsy Fluorescence spectroscopy, Raman spectroscopy, Elastic scattering spectroscopy, Differential path-length spectroscopy, Optical Tomography
4 Fluorescence spectroscopy Auto-fluorescence spectroscopy, Enhanced dye fluorescence, Ratio imaging
5 Oral diseases Tumors, carcinoma
6 Combined set 2, 5
7 Combined set 3, 5
8 Combined set 3, 4, 5
9 Saliva Saliva-based oral cancer diagnosis,
10 Oral Saliva changes in cancer patients Genomic substance, Transcriptomic mRNA, Proteomic substances
11 Combined set 9, 10
12 Combined set 6, 7, 8, 11
13 Limit by publication type 5,6, 8, 11, 12: Not letter or editorial or news or comments or case report or notes or conference paper
14 Diagnostics filter 13 and (predictive value of tests or sensitivity and specificity or accuracy or diagnostic accuracy or precision or likelihood) or (false or true) or (positive or negative)
15 Clinical trials filter 14 and (Randomized controlled trials or random allocation or double-blind method or single-blind method or cross-over studies or crossover procedure or double blind procedure or single blind procedure or crossover design or double-blind studies or single-blind studies or triple-blind studies or random assignment or exp controlled study/or exp clinical trial/or exp comparative study or intermethod comparison or parallel design or control group or prospective study or case control study or major clinical study) or Case control studies/or Cohort/or Longitudinal studies/or Evaluation studies/or Prospective studies
16 Combined set 14, 15
17 Patient satisfaction 13 and (patient satisfaction or pain measurement or pain assessment or visual analog scale or quality of life).