@article {cokkinos1999antithrombotic,
	title = {Antithrombotic therapy in heart failure: a randomized comparison of warfarin vs. aspirin (HELAS)},
	journal = {European journal of heart failure},
	volume = {1},
	number = {4},
	year = {1999},
	pages = {419{\textendash}423},
	author = {Cokkinos, Dennis V and Toutouzas, Pavlos K}
}
