SEARCH Articles Figures Tables Adrenergic agonists direct-acting Adrenoceptor agonists direct-acting Antihypertensives direct-acting vasodilators Carcinogen direct-acting Cholinergic agents direct-acting Cholinergic stimulants direct-acting Cholinomimetics direct-acting Compressors reciprocating direct acting Control action direct acting Direct-acting Direct-acting antiviral protease inhibitors Direct-acting arteriolar vasodilators Direct-acting cholinergic Direct-acting controller Direct-acting final control element Direct-acting mutagen Direct-acting mutagen methyl methanesulfonate Direct-acting sympathomimetic Direct-acting sympathomimetic agent Directly acting parasympathomimetic drugs Muscle direct-acting cholinomimetics Muscle, drugs acting directly Sympathomimetics direct acting Vasodilators direct acting