4 Kawarai Kawarai T T Miyamoto Miyamoto R R Nakagawa Nakagawa E E Koichihara Koichihara R R Sakamoto Sakamoto T T Mure Mure H H Phenotype variability and allelic heterogeneity in KMT2B -associated disease Phenotype variability and allelic heterogeneity in KMT2B -associated disease Parkinsonism Relat Disor Parkinsonism Relat Disor 2018 2018 52 52 55 55 61 61 10.1016/j.parkreldis.2018.03.022 10.1016/j.parkreldis.2018.03.022. The gene discussed is KMT2B; the disease is Parkinson disease.