T44.5X6 - Underdosing of predominantly beta-adrenoreceptor agonists T44.5 - Poisoning by, adverse effect of and underdosing of predominantly beta-adrenoreceptor agonists T44.5X - Poisoning by, adverse effect of and underdosing of predominantly beta-adrenoreceptor agonists T44.5X6 - Underdosing of predominantly beta-adrenoreceptor agonists