TY - RPRT TI - The questionnaire as a data-gathering device: medical school response patterns. AU - W C Hilles AU - B R Forsyth AU - H J Porten PY - 1977 DO - 10.1097/00001888-197706000-00006 UR - https://pubmed.ncbi.nlm.nih.gov/864665/ ID - 864665 ER -