title: [Topographic and histological study of the sinus node of the thoroughbred English horse].
mesh_terms: D000818:Animals; D006736:Horses / Q000033:anatomy & histology*; D012849:Sinoatrial Node / Q000033:anatomy & histology* / Q000648:ultrastructure
vernacular_title: Estudo topográfico e histológico do nó sinuatrial no cavalo puro sangue inglês