title: No evidence for antagonism of clonidine by naloxone in man [proceedings].
mesh_terms: D003000:Clonidine / Q000037:antagonists & inhibitors*; D006801:Humans; D008297:Male; D009270:Naloxone / Q000494:pharmacology*
chemical_list: D009270:Naloxone; D003000:Clonidine