has material basis in germline mutation in FANCB Fanconi anemia complementation group B https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/fanconi_anemia_complementation_group_b Fanconi anemia complementation group type B FANCB Fanconi anemia complementation group B Fanconi anemia, complementation group B, X-linked recessive FA2 MONDO:0010351 OMIM:300514 Fanconi anaemia complementation group type B FACB Fanconi anemia caused by mutations of the FANCB gene. This gene encodes the protein for complementation group B. DOID:0111098 Fanconi pancytopenia, type 2 GARD:0015257 Fanconi anemia, complementation group B Fanconi Anemia, complementation group type B MEDGEN:336901 NCIT:C125703 MESH:C564497 UMLS:C1845292 Fanconi anemia