by Anderson, Jeffrey L., Anastasiou-Nana, Maria, Lutz, Joan R., Writer, Steven L.
Published in Journal of the American College of Cardiology (01.02.1985)

by Eiriksson, Jr, C E, Writer, S L, Vestal, R E
Published in The American review of respiratory disease (01.02.1987)

Published in The American heart journal (01.06.2002)

by Writer, S T, Stevens, D L, Starkebaum, G
Published in The Western journal of medicine (01.01.1982)

by Sylvia L. Oliande Staff Writer S
Published in Philadelphia daily news (Philadelphia, Pa. : 1925) (22.10.1999)

by ANDREW S HUGHES l Tribune Staff Writer
Published in The South Bend tribune (16.01.2011)

by LaTanya S. L Daily Herald Staff Writer
Published in Daily herald (Arlington Heights, Ill. : Arlington Heights ed.) (17.06.2001)

by By Timothy L. O'Brien. STAFF WRITER. Myron S. Waldman
Published in Newsday (17.08.1991)