Atenolol Antianginal; antihypertensive; beta blocker. Information from the RxList. http://www.rxlist.com/cgi/generic/atenolol.htm
Tenoretic Atenolol and chlorthalidone. Prescribing information for US residents. http://www.astrazeneca-us.com/cgi-bin/az_pi.cgi?product=tenoretic&country=us
Tenormin Prescribing information for US residents. http://www.astrazeneca-us.com/cgi-bin/az_pi.cgi?product=tenormin&country=us
