1. 
   losartan
   <chemical> An angiotensin II receptor antagonist with antihypertensive activity due mainly to selective blockade of at(1) receptors and the consequent reduced pressor effect of angiotensin II. ... Pharmacological action: anti-arrhythmia agents, antihypertensive agents. ... (12 Dec 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?losartan
   
   
2. 
   losartan
   (lo-sahr´tan) an angiotensin II receptor antagonist used as an antihypertensive; used as the potassium salt.
   Found op http://www.encyclo.co.uk/local/21001
   
   
3. 
   Losartan
   As with all angiotensin II type 1 receptor (AT1) antagonists, losartan is indicated for the treatment of hypertension. It may also delay progression of diabetic nephropathy, and is also indicated for the reduction of renal disease progression in patients with type 2 diabetes, hypertension and micro...
   Found op http://en.wikipedia.org/wiki/Losartan
   
   
4. 
   losartan
   A drug used to treat high blood pressure. Losartan blocks the action of chemicals that make blood vessels constrict (get narrower). It is a type of angiotensin II receptor antagonist. Also called Cozaar and losartan potassium.
   Found op http://www.cancer.gov/dictionary?expand=L
   
   

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