TY - RPRT TI - Quantitative structure-activity relationships in centrally acting imidazolidines structurally related to clonidine. AU - P B Timmermans AU - P A van Zwieten PY - 1977 DO - 10.1021/jm00222a020 UR - https://pubmed.ncbi.nlm.nih.gov/201756/ ID - 201756 ER -