van den Heuvel, Lieneke (author), Evers, Luc (author), Meinders, Marjan (author), Post, Bart (author), Stiggelbout, Anne (author), Heskes, Tom (author), Bloem, Bastiaan (author), Krijthe, J.H. (author) Background: Both patients and physicians may choose to delay initiation of dopamine replacement therapy in Parkinson's disease (PD) for various reasons. We used observational data to estimate the effect of earlier treatment in PD. Observational data offer a valuable source of evidence, complementary to controlled trials. Method: We studied...
journal article 2020
