The Open Software Foundation was formerly an independent unit of what is nowadays joined with the X/Open Company[?] in the The Open Group.
... Aphalangia hemivertebrae[?] Aphalangia syndactyly microcephaly[?] Aphthous stomatitis[?] Apiphobia[?] Aplasia cutis autosomal recessive[?] Aplasia cutis congenita ...