1. Critical Reviews in Oncology / Hematology
Diagnostic accuracy of serum biomarkers for head and neck cancer: A systematic review and meta-analysis 
Eliete Neves Silva Guerra, Daniela Fortunato Rêgo, Silvia Taveira Elias, Ricardo D. Coletta, Luis André Mendonça Mezzomo, David Gozal, Graziela De Luca Canto 
Critical Reviews in Oncology / Hematology 
Volume 101, Pages (May 2016)
DOI: /j.critrevonc
Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions

2. Fig. 1
Flow Diagram of literature search and selection criteria adapted from PRISMA (Moher et al., 2010).
Critical Reviews in Oncology / Hematology  , DOI: ( /j.critrevonc )
Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions

3. Fig. 2
(A) Forest plot with DTA for the combined serum biomarkers in assessment of the early and advanced stages HNSCC. (B) Receiver operating characteristic (ROC) for combined serum biomarkers in the assessment of HNSCC.
Critical Reviews in Oncology / Hematology  , DOI: ( /j.critrevonc )
Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions

4. Fig. 2
(A) Forest plot with DTA for the combined serum biomarkers in assessment of the early and advanced stages HNSCC. (B) Receiver operating characteristic (ROC) for combined serum biomarkers in the assessment of HNSCC.
Critical Reviews in Oncology / Hematology  , DOI: ( /j.critrevonc )
Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions

5. Fig. 3
(A) Forest plot with the diagnostic test accuracy of each study for the single serum biomarkers in the assessment of HNSCC. (B) Receiver operating characteristic (ROC) for the single serum biomarkers in the assessment of HNSCC.
Critical Reviews in Oncology / Hematology  , DOI: ( /j.critrevonc )
Copyright © 2016 Elsevier Ireland Ltd Terms and Conditions