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List of works by Helmut Ostertag

Alterations of G1-S checkpoint in chordoma: the prognostic impact of p53 overexpression

scientific article

Chordomas of the skull base: surgical management and outcome

scientific article

Connection between expression of inducible nitric oxide synthase (iNOS) in skull base chordoma and lower urinary tract symptoms

scientific article

Expression of PDGFR-α, EGFR and c-MET in spinal chordoma: a series of 52 patients

scientific article

Expression of c-MET, low-molecular-weight cytokeratin, matrix metalloproteinases-1 and -2 in spinal chordoma

scientific article

Expression of hepatocyte growth factor and c-MET in skull base chordoma

scientific article

Expression of matrix metalloproteinase (MMP)-1, MMP-2, MMP-9, cathepsin B, and urokinase plasminogen activator in non-skull base chordoma

scientific article

Expression of matrix metalloproteinases-1, -2, and -9; tissue inhibitors of matrix metalloproteinases-1 and -2; cathepsin B; urokinase plasminogen activator; and plasminogen activator inhibitor, type I in skull base chordoma

scientific article

Expression of vascular endothelial growth factor receptor 2 (VEGFR-2), inducible nitric oxide synthase (iNOS), and Ki-M1P in skull base chordoma: a series of 145 tumors

scientific article

Histogenesis of intralesional fibrous septum in chordoma

scientific article

Immunohistochemical expression of receptor tyrosine kinase PDGFR-α, c-Met, and EGFR in skull base chordoma

scientific article

Intralesional fibrous septum in chordoma: a clinicopathologic and immunohistochemical study of 122 lesions

scientific article

Prognostic significance of immunohistochemical expression of VEGFR2 and iNOS in spinal chordoma

scientific article

Skull base and nonskull base chordomas: clinicopathologic and immunohistochemical study with special reference to nuclear pleomorphism and proliferative ability

scientific article

Uncommon primary mediastinal tumours

scientific article (publication date: February 2004)

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