Roila, F <br/><br/>
Intra and interobserver variability in cancer patients' performance status assessed according to Karnofsky and ECOG scales.  [electronic resource] 

 -  Annals of oncology : official journal of the European Society for Medical Oncology  Jun 1991 
 - 437-9 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0923-7534 
<br/><br/><label>Standard No.: </label>10.1093/oxfordjournals.annonc.a057981  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged<br/>Female<br/>Health Status<br/>Humans<br/>Male<br/>Middle Aged<br/>Neoplasms--physiopathology<br/>Observer Variation<br/>Patient Participation<br/>Prospective Studies<br/>Random Allocation<br/>Severity of Illness Index<br/>Surveys and Questionnaires