Hagell, P., & Nygren, C. (2007). The 39 item Parkinson's disease questionnaire (PDQ‐39) revisited: Implications for evidence based medicine. BMJ Group.
Chicago ZitierstilHagell, Peter, und Carita Nygren. The 39 Item Parkinson's Disease Questionnaire (PDQ‐39) Revisited: Implications for Evidence Based Medicine. BMJ Group, 2007.
MLA ZitierstilHagell, Peter, und Carita Nygren. The 39 Item Parkinson's Disease Questionnaire (PDQ‐39) Revisited: Implications for Evidence Based Medicine. BMJ Group, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.