[Mixed disease of the connective tissue with polymyositic predominance. Description of a case with a rapid and fatal course].
D000368:Aged; D006801:Humans; D008297:Male; D008947:Mixed Connective Tissue Disease / Q000473:pathology*; D009220:Myositis / Q000473:pathology*
Enfermedad mixta del tejido conectivo con predominio polimiosítico. Descripción de un caso de evolución rápida y fatal.