Reproducibility and validity of patient-rated assessment of speech, swallowing, and saliva control in Parkinson’s Disease
Machiel Zwarts; Johanna Kalf; Bastiaan Bloem; George Borm; Marten Munneke; Bert de Swart
The measurement of social support in the "European Research on Incapacitating Diseases and Social Support": the development of the Social Support Questionnaire for Transactions (SSQT)
Suurmeijer, Theo P; Doeglas, Dirk M; Briancon, Serge; Krijnen, Wim P (Statistical Techniques For Applied Research)