Alagille syndrome Alagille syndrome due to 20p12 microdeletion https://github.com/monarch-initiative/mondo/issues/3664 UMLS:C5679679 Alagille-Watson syndrome due to monosomy 20p12 MEDGEN:1826025 GARD:0017250 Orphanet:261600 Alagille syndrome due to del(20)(p12) syndromic bile duct paucity due to monosomy 20p12 MONDO:0016861 Alagille syndrome due to monosomy 20p12 Arteriohepatic dysplasia due to monosomy 20p12 partial monosomy of the short arm of chromosome 20 obsolete_Alagille syndrome due to 20p12 microdeletion