Parkinson's disease phenotype is influenced by the severity of the mutations in the GBA gene. - Thaler, Avner; Bregman, Noa; Gurevich, Tanya; Shiner, Tamara; Dror, Yonatan; Zmira, Ofir; Gan-Or, Ziv; Bar-Shira, Anat; Gana-Weisz, Mali; Orr-Urtreger, Avi; Giladi, Nir; Mirelman, Anat (Parkinsonism & Related Disorders, 2018)