@article{414309, recid = {414309}, author = {Fernandez, Milagros. and Calix, Lydia.}, title = {Modell's essential drugs in current use and new drugs 2006 [electronic resource] /}, publisher = {Springer Pub. Co.,}, address = {New York :}, pages = {viii, 632 p.}, year = {2006}, url = {http://library.usi.edu/record/414309}, }