Hortin GL
The MALDI-TOF mass spectrometric view of the plasma proteome and peptidome
Clin Chem. 2006 Jul;52(7):1223-37. Epub 2006 Apr 27.
PMID: 16644871 Free Full Text
This paper provides a comprehensive overview of applications using MALDI or SELDI to discover probable valid biomarkers. It provides in depth technical explanations and a synopsis of various biomarker studies with emphasis on analytical sensitivity.

Zhang X, Wei D, Yap Y, Li L, Guo S, Chen F
Mass spectrometry-based "omics" technologies in cancer diagnostics
Mass Spectrom Rev. 2007 May-Jun;26(3):403-31.
PMID: 17405143
The paper describes mass spectrometric based methods for measurement of biomolecules in various biological sources.

Diamandis EP
Oncopeptidomics: a useful approach for cancer diagnosis ?
Clin Chem. 2007 Jun;53(6):1004-6.
PMID: 17517585 Free Full Text
Peptidomics for cancer diagnosis: present and future.
J Proteome Res. 2006 Sep;5(9):2079-82.
PMID: 16944917
Critical reviews on peptidomics and its application and common errors in biomarker discovery.

Zolg W
The proteomic search for diagnostic biomarkers: lost in translation ?
Mol Cell Proteomics. 2006 Oct;5(10):1720-6. Epub 2006 Mar 17.
PMID: 16546995 Free Full Text
The paper describes important issues for validating newly discovered biomarkers.

Anderson NL, Anderson NG
The human plasma proteome: history, character, and diagnostic prospects
Mol Cell Proteomics. 2002 Nov;1(11):845-67. Review. Erratum in: Mol Cell Proteomics. 2003 Jan;2(1):50.
PMID: 12488461 Free Full Text
A pathbreaking review about the human plasma proteome, the dynamic range of plasma proteins, techniques applied in proteomics and the challenges in establishing new protein biomarker.

Baggerman G, Verleyen P, Clynen E, Huybrechts J, De Loof A, Schoofs L.
J Chromatogr B Analyt Technol Biomed Life Sci. 2004 Apr 15;803(1):3-16. Review.
PMID: 15025994
The article describes the field of peptidomics, compares it to proteomic approaches and highlights the importance of peptides.