Pringsheim, T, GS Day, DB Smith, A Rae-Grant, N Licking, MJ Armstrong, RMA de Brie, et al. 2021. “Dopaminergic Therapy for Motor Symptoms in Early Parkinson Disease Practice Guideline Summary: A Report of the AAN Guideline Subcommittee. Neurology. 2021 Nov 16;97(20):942-957. Doi: 10.1212/WNL.0000000000012868. PMID: 34782410.”. Neurology.