1. Graduate medical education, 1997–1998;Dunn;JAMA,1998
2. Attracting qualified physicians to underserved areas. Part 1: why has the U.S. experienced such difficulty?;Weil;Physician Exec.,1998
3. Results and Data,2000
4. Mail and Internet Surveys;Dillman,2000
5. Using Multivariate Statistics;Tabachnick,2000