Chance of a heart attack is higher in a colder climate.  [electronic resource] 

 -  Nursing standard (Royal College of Nursing (Great Britain) : 1987)  Sep 2010 
 - 15 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>2047-9018 
<br/><br/><label>Standard No.: </label>10.7748/ns.25.3.15.s20  doi