| prevalence of heartworm in dogs and cats of madrid, spain. | dirofilaria immitis causes heartworm disease, a chronic and potentially fatal cardiopulmonary disease which mainly affects dogs and cats. it is present in most of spain, due to favourable climatic factors. madrid, located in the centre of the iberian peninsula, is the most highly populated city in the country. there is a lack of current data on canine heartworm and there are no published epidemiological data regarding feline heartworm in this region, therefore the aim of this study was to assess ... | 2017 | 28747221 |