Originalarbeit New, but improved? Comparison between first and revised version of the Helping Alliance questionnaire M Drapeau, Y Le, Y de, N Despland DOI: https://doi.org/10.4414/sanp.2006.01669 Publication Date: 04.01.2006 Schweiz Arch Neurol Psychiatr. 2006;157(01):23-28 This text is only available as PDF .
