K. Helmke

Prognostic Factors in High-Grade Osteosarcoma of the Extremities or Trunk: An Analysis of 1,702 Patients Treated on Neoadjuvant Cooperative Osteosarcoma Study Group Protocols

Stefan Bielack, Beate Kempf‐Bielack, G. Delling et al. · Journal of Clinical Oncology · 2002 · 1.8K citations

Osteosarcoma Relapse After Combined Modality Therapy: An Analysis of Unselected Patients in the Cooperative Osteosarcoma Study Group (COSS)

Beate Kempf‐Bielack, Stefan Bielack, Heribert Jürgens et al. · Journal of Clinical Oncology · 2005 · 642 citations

Surgical Oncology, Combined Modality Therapy, Osteosarcoma Relapse +13

Comparison of MAPIE versus MAP in patients with a poor response to preoperative chemotherapy for newly diagnosed high-grade osteosarcoma (EURAMOS-1): an open-label, international, randomised controlled trial

Neyssa Marina, Sigbjørn Smeland, Stefan Bielack et al. · The Lancet Oncology · 2016 · 511 citations · Full text

Validation of the optic nerve sheath response to changing cerebrospinal fluid pressure: ultrasound findings during intrathecal infusion tests

Hans-Christian Hansen, K. Helmke · Journal of neurosurgery · 1997 · 456 citations

Methotrexate, Doxorubicin, and Cisplatin (MAP) Plus Maintenance Pegylated Interferon Alfa-2b Versus MAP Alone in Patients With Resectable High-Grade Osteosarcoma and Good Histologic Response to Preoperative MAP: First Results of the EURAMOS-1 Good Response Randomized Controlled Trial

Stefan Bielack, Sigbjørn Smeland, Jeremy Whelan et al. · Journal of Clinical Oncology · 2015 · 412 citations · Full text