@article{1374635, recid = {1374635}, author = {Curtis, Elizabeth A. and Drennan, Jonathan.}, title = {Quantitative health research: issues and methods /}, publisher = {McGraw-Hill Education, Open University Press,}, address = {Maidenhead, Bershire, England :}, pages = {xvii, 412 p. :}, year = {2013}, url = {http://library.usi.edu/record/1374635}, }