'
Sources:
1.http://www.rxlist.com/script/main/hp.asp
2.http://www.webmd.com/drugs/index-drugs.aspx
3.http://www.pacific.edu/Academics/Schools-and-Colleges/Thomas-J-Long-School-of-Pharmacy-and-Health-Sciences/Academics/Doctor-of-Pharmacy/Curriculum-and-Courses/Top-Drugs.html