Caerphilly Heart Disease Study
The Caerphilly Heart Disease Study , also known as the Caerphilly Prospective Study ( CaPS ) , is an epidemiological prospective cohort , set up in 1979 in a representative population sample drawn from Caerphilly , a typical small town in South Wales , UK . 
<triplet> Caerphilly Heart Disease Study <subj> cohort <obj> instance of