has material basis in germline mutation in MYO9A congenital nervous system disorder myasthenic syndrome, congenital, 24, presynaptic https://github.com/monarch-initiative/mondo/issues/4069 https://github.com/monarch-initiative/mondo/issues/7693 https://www.malacards.org/card/myasthenic_syndrome_congenital_24_presynaptic CMS24 GARD:0016309 MEDGEN:1648337 UMLS:C4748684 OMIM:618198 MONDO:0032597 presynaptic congenital myasthenic syndrome