Beta myosin heavy chain antibody; cardiac muscle beta isoform antibody; CMD1S antibody; CMH1 antibody; MPD1 antibody; MYH7 antibody; MYH7_HUMAN antibody; Myhc slow antibody; MyHC-beta antibody; MyHC-slow antibody; MYHCB antibody; Myopathy, distal 1 antibody; Myosin heavy chain (AA 1-96) antibody; Myosin heavy chain 7 antibody; Myosin heavy chain antibody; Myosin heavy chain slow isoform antibody; Myosin heavy chain, cardiac muscle beta isoform antibody; Myosin, heavy chain 7, cardiac muscle, beta antibody; Myosin, heavy polypeptide 7, cardiac muscle, beta antibody; Myosin-7 antibody; Rhabdomyosarcoma antigen MU RMS 40.7A antibody; SPMD antibody; SPMM antibody