Author

Margaret Hefner, MS

Margaret Hefner, MS

Margaret Hefner is a Genetic Counselor and Associate Professor in the Division of Medical Genetics, Department of Pediatrics at Saint Louis University School of Medicine. Ms. Hefner first became interested in CHARGE syndrome in 1982 when working with Dr. Sandra Davenport at the University of Missouri, Columbia. In addition to writing journal articles on CHARGE syndrome, Ms. Hefner has written and edited numerous materials for families and professionals, including the CHARGE Syndrome Management Manual for Parents, the New Parent Packet, and Professional Packet. One of the founders of the CHARGE Syndrome Foundation, Ms. Hefner served on the Board of Directors for 12 years and is now a Special Advisor to the Board, as well as chair of the Research Committee. In 1999, Ms. Hefner was awarded the first Star in CHARGE award, the highest award of the CHARGE Syndrome Foundation. She continues to write and present on CHARGE syndrome to both professional and lay audiences. She is also on the advisory board of the Missouri Deaf Blind Project.

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Handbook of Voice Assessments

Estella P.-M. Ma, PhD, Edwin M.-L. Yiu, PhD

"Ma and Yiu's Handbook for Voice Assessments is a handbook par excellence, certainly destined to be a landmark in the field of voice disorders. It is a concise volume that puts valuable information in the hands of readers. The contributions by experts from around the world provide a coverage of voice assessments that is extraordinary in its range and precise in its delivery." --From the Foreword by Ray D. Kent, PhD.

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