Marcelo Heleno Fonseca

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Pectus excavatum is a deformity of the thoracic wall present in less than 1% of the population. Treatment is essentially surgical because of the size of the deformity. The most employed surgical options are the technique proposed by Ravitch and its variations and the technique proposed by Nuss. The first one is considered the conventional technique, while(More)
Method: Wistar rats were divided into two experimental groups (papain without surgery and papain with surgery) and three control groups (saline without surgery, saline with surgery and papain without mechanical ventilation). After approximately 40 days of endotracheal instillation of papain or saline solution, animals in the papain with surgery and saline(More)
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