adolescence-adult electroclinical syndrome epilepsy with generalized tonic-clonic seizures https://github.com/monarch-initiative/mondo/issues/8280 https://www.epilepsydiagnosis.org/syndrome/egtcsa-overview.html https://www.malacards.org/card/epilepsy_with_generalized_tonic_clonic_seizures SCTID:352818000 MONDO:0005754 grand Mal epilepsy tonic-clonic epilepsy EGTCA GARD:0024228 MEDGEN:4987 DOID:7725 epilepsy with generalized tonic-clonic seizures alone ICD9:345.10 MESH:D004830 NCIT:C3022 UMLS:C0014549 A generalized tonic-clonic seizure. Orphanet:698005 EFO:0007262 obsolete adolescent/adult-onset epilepsy syndrome variable-age onset idiopathic generalized epilepsy syndrome