Arao Yamaoka

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Only a few case reports have described heart diseases in monkeys, and most cases have involved postmortem diagnosis. A newborn female Japanese macaque showed weakness immediately after birth and died 1 d thereafter. Necropsy revealed that the animal had tetralogy of Fallot and patent ductus arteriosus. This report is the first description of tetralogy of(More)
Japanese macaques bred indoor for laboratory use often show chronic anorexia and intermittent vomiting. In some of our macaques gastric air was observed on physical examination, and we suspected abnormality of gastric motility. We therefore performed contrast radiographic examinations of the gastrointestinal tract without anesthesia of 8 macaques with(More)
The electrocardiogram of nonhuman primates is similar to that of humans because of similar intrathoracic heart position and structure. Despite the frequent use of nonhuman primates in biologic studies, few electrocardiographic studies of Japanese monkeys (Macaca fusucata) have been reported, and no reference data are available for this species. We obtained(More)
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