@article {leachman1971narrowed,
	title = {Narrowed Splitting of the Second Heart Sound upon Inspiration in Patients with Giant Left Atrium},
	journal = {Chest},
	volume = {60},
	number = {2},
	year = {1971},
	pages = {151{\textendash}155},
	publisher = {Elsevier},
	author = {Leachman, Robert D and Talat, Ahmad and Cokkinos, Dennis VP}
}
