Exploratory analysis showed relationship between package-year index and cough (p=0,008), wood smoke exposure and cough (p=0,008), package-year index and expectoration (p=0,018), wheezes and smoking exposure (p=0,047), dyspnea and coronary disease (p=0,028), and dyspnea and arterial hypertension (p=0,037).
Una camisa era una blusa.La corbata era una corbata y el cinturón era un cinturón. Pero muchas otras cosas no volvieron a ser lo mismoscielo-abstract scielo-abstract