by Sirimarco, Gaia, Labreuche, Julien, Bruckert, Eric, Goldstein, Larry B, Fox, Kim M, Rothwell, Peter M, Amarenco, Pierre, Bousser, Marie-Germaine, Chamorro, Angel, Ford, Ian, Fox, Kim, Fisher, Marc, Hennerici, Michael G, Mattle, Heinrich, Callahan, Fred, Sillesen, Henrik, Welch, K. Michael A, Zivin, Justin A
Published in Stroke (1970) (01.05.2014)

by Furlan, Anthony, Higashida, Randall, Wechsler, Lawrence, Gent, Michael, Rowley, Howard, Kase, Carlos, Pessin, Michael, Ahuja, Arvind, Callahan, Fred, Clark, Wayne M, Silver, Frank, Rivera, Frank, for the PROACT Investigators
Published in JAMA : the journal of the American Medical Association (01.12.1999)

by Callahan, Fred
Published in Central Penn Business Journal (24.02.2012)

by Callahan, Fred
Published in Central Penn Business Journal (04.05.2007)

by Callahan, Fred
Published in York daily record (1973) (08.11.2009)

by Callahan, Fred
Published in York daily record (1973) (13.04.2008)

by Callahan, Fred, Talia, George
Year of Publication 06.11.2003

by Callahan, Fred, Page, Ashley
Year of Publication 22.05.2003

by Callahan, Fred
Published in York daily record (1973) (16.06.2002)

by CALLAHAN FRED J, PAGE ASHLEY
Year of Publication 22.05.2003

by CALLAHAN FRED J, TALIA GEORGE E
Year of Publication 17.11.2005

by Talia, George E, Callahan, Fred J
Year of Publication 19.10.2004

by CALLAHAN FRED J, TALIA GEORGE E
Year of Publication 19.10.2004

by CALLAHAN FRED J, TALIA GEORGE E
Year of Publication 06.11.2003

by CALLAHAN FRED T
Year of Publication 24.07.1962

by CALLAHAN FRED THOMAS
Year of Publication 27.09.1961

by CALLAHAN FRED T
Year of Publication 04.04.1963

by THALLER KENNETH J, CALLAHAN FRED T, WEISENSTEIN HAROLD F
Year of Publication 24.11.1964

by FRED T. CALLAHAN
Year of Publication 08.09.1964

by FRED T. CALLAHAN
Year of Publication 10.11.1959