J. Kramer

Multicollinearity in prognostic factor analyses using the EORTC QLQ‐C30: identification and impact on model selection

G. Molenberghs, K. Van Steen, A. Bottomley, 2002, Statistics in medicine.

Identification and interpretation of clinical and quality of life prognostic factors for survival and response to treatment in first-line chemotherapy in advanced breast cancer.

J. Klijn, M. Piccart, J. de Haes, 2000, European journal of cancer.

Randomised trial of paclitaxel versus doxorubicin as first-line chemotherapy for advanced breast cancer: quality of life evaluation using the EORTC QLQ-C30 and the Rotterdam symptom checklist.

J. Klijn, M. Piccart, M. Groenvold, 2000, European journal of cancer.

Spinal cord compression in malignancy

J. Kramer, 1992 .

Use of the Hospital Anxiety and Depression Scale (HADS) in the assesment of depression in patients with inoperable lung cancer

J. Kramer, 1999, Palliative medicine.

Identi ® cation and interpretation of clinical and quality of life prognostic factors for survival and response to treatment in ® rst-line chemotherapy in advanced breast cancer

J. Klijn, M. Piccart, R. Paridaens, 2000 .