title: Avoiding bias in the prospective evaluation of patients with brain metastases.
authors.forename: Dirk
authors.initials: D
authors.lastname: Vordermark
mesh_terms: D015982:Bias; D001932:Brain Neoplasms / Q000150:complications* / Q000175:diagnosis / Q000532:radiotherapy / Q000556:secondary*; D003072:Cognition Disorders / Q000175:diagnosis* / Q000209:etiology; D016371:Cranial Irradiation / Q000009:adverse effects; D006801:Humans; D011446:Prospective Studies; D011788:Quality of Life