We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePatients' and observers' perceptions of involvement differ. Validation study on inter-relating measures for shared decision making.AuthorsKasper J; Heesen C; Köpke S; Fulcher G; Geiger FPublicationPloS one, 2011, Vol 6, Issue 10, pe26255ISSN1932-6203Publication typearticleDOI10.1371/journal.pone.0026255