San Diego, Calif.: Singular Publ. Group, 2000

SAGE Publications, 2012

American Speech Language Hearing Association, 2011

Ovid Technologies (Wolters Kluwer Health), 2011

Ovid Technologies (Wolters Kluwer Health), 2010

Ovid Technologies (Wolters Kluwer Health), 2008

Ovid Technologies (Wolters Kluwer Health), 2008

Ovid Technologies (Wolters Kluwer Health), 2006

Ovid Technologies (Wolters Kluwer Health), 2005

Ovid Technologies (Wolters Kluwer Health), 2004

Ovid Technologies (Wolters Kluwer Health), 2003

SAGE Publications, 2002

Ovid Technologies (Wolters Kluwer Health), 2001

Informa UK Limited, 2000

Informa UK Limited, 2000

Ovid Technologies (Wolters Kluwer Health), 1999

Ovid Technologies (Wolters Kluwer Health), 1998

Ovid Technologies (Wolters Kluwer Health), 1983

SAGE Publications, 2012

Ovid Technologies (Wolters Kluwer Health), 2006