Tenormin
- Prescribing information for US residents.
- http://www.astrazeneca-us.com/pi/tenormin.pdf

Tenoretic
- Atenolol and chlorthalidone. Prescribing information for US residents.
- http://www.astrazeneca-us.com/pi/tenoretic_lpv.pdf

Atenolol Home Page
- Privately maintained site describes structure, physical properties, uses, administration, side effects, and drug interactions.
- http://www.sunderland.ac.uk/~hs0dad/profile/atenolol/atenhmpg.htm

DrugDigest: Atenolol ( Tenormin )
- Information on dosage, usage, side effects, interactions, and drug comparisons including generics when available.
- http://www.drugdigest.org/DD/DVH/Uses/0,3915,54%7CAtenolol,00.html

Atenolol
- Antianginal; antihypertensive; beta blocker. Information from the RxList.
- http://www.rxlist.com/cgi/generic/atenolol.htm