@article{396105, author = {Portney, Leslie Gross. and Watkins, Mary P.}, url = {http://library.usi.edu/record/396105}, title = {Foundations of clinical research : applications to practice /}, publisher = {Prentice Hall,}, recid = {396105}, pages = {xiv, 768 p. :}, address = {Upper Saddle River, NJ :}, year = {2000}, }