spinal muscular atrophy male infertility Kennedy disease https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/spinal_and_bulbar_muscular_atrophy_x_linked_1 Orphanet:481 MedDRA:10068600 Kennedy disease SMAX1 spinal and bulbar muscular atrophy, X-linked 1 Kennedy's disease, also known as bulbospinal muscular atrophy (BSMA), is a rare X-linked recessive motor neuron disease characterized by proximal and bulbar muscle wasting. GARD:0006818 NANDO:1200001 X-linked BSMA MESH:D055534 MONDO:0010735 OMIM:313200 X-linked bulbospinal muscular atrophy X-linked bulbospinal amyotrophy spinal and bulbar muscular atrophy, X-linked type 1 spinal and bulbar muscular atrophy of Kennedy, X-linked recessive NCIT:C85233 X-linked spinal and bulbar muscular atrophy DOID:0060161 Kennedy's disease SBMA MEDGEN:333282 UMLS:C1839259 obsolete bulbospinal muscular atrophy of adulthood inherited neurodegenerative disorder obsolete_Kennedy disease