Enarson, Donald... [et al.]. <br/><br/>
Research methods for promotion of lung health : a guide to protocol development for low-income countries. 

 - 137p. 
<br/><br/> From materials developed for International Courses on Research Methods for the Promotion of Lung Health. 
<br/><br/><label>ISBN: </label>2-914365-06-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lung diseases--Prevention and control<br/>Research--Methods<br/>Data collection--Methods<br/>Epidemiologic surveillance--Methods<br/>Healthpromotion<br/>Developing countries