Kelly, T <br/><br/>
Randomized clinical trial comparing botulinum toxin injections with 0.2 per cent nitroglycerin ointment for chronic anal fissure (Br J Surg 2007; 94: 162-167).  [electronic resource] 

 -  The British journal of surgery  May 2007 
 - 646; author reply 646-7 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0007-1323 
<br/><br/><label>Standard No.: </label>10.1002/bjs.5877  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Administration, Topical<br/>Botulinum Toxins, Type A--administration & dosage<br/>Chronic Disease<br/>Fissure in Ano--drug therapy<br/>Humans<br/>Injections, Intralesional<br/>Neuromuscular Agents--administration & dosage<br/>Nitroglycerin--administration & dosage<br/>Ointments<br/>Vasodilator Agents--administration & dosage