TY - BOOK AU - Ziefle,Martina AU - Rocker,Carsten TI - Human-centered design of e-health technologies: concepts, methods and applications T2 - Premier reference source SN - 9781609601775 AV - R858 .Z53 2011 PY - 2011/// CY - Hershey, PA PB - Medical Information Science Reference KW - Medical informatics KW - Human-computer interaction KW - Human engineering ER -