Koranyi 1963.

Methods	Intervention study, unclear if randomised
Participants	Nearly 250 people with severe coronary stenosis (mostly post MI) acrued since 1957 (Hungary)
Interventions	Low fat diet (35‐40g fat/d) vs Modified fat (50g edible oil but no butter, lard etc/d) vs Modified fat 2 (50g fat/d made up of both edible oil and butter, lard etc) vs control (no intervention)
Outcomes	Mortality rates (8.6% in low fat diet, 19.7% controls, other groups not reported, nor numbers of participants in each group)
Notes