@article{406697, author = {Bowling, Ann. and Ebrahim, Shah.}, url = {http://library.usi.edu/record/406697}, title = {Handbook of health research methods investigation, measurement and analysis / [electronic resource] :}, publisher = {Open University Press,}, recid = {406697}, pages = {xii, 625 p. :}, address = {Maidenhead :}, year = {2005}, }