TABLET;ORAL - 10MG **Federal Register determination that product was not discontinued or withdrawn for safety or effectiveness reasons**, TABLET;ORAL - 20MG **Federal Register notice that product was not discontinued or withdrawn for safety or effectiveness reasons**, TABLET;ORAL - 40MG **Federal Register notice that product was not discontinued or withdrawn for safety or effectiveness reasons**, TABLET, EXTENDED RELEASE;ORAL - 20MG, TABLET, EXTENDED RELEASE;ORAL - 40MG, TABLET, EXTENDED RELEASE;ORAL - 60MG