T44.6X5 - Adverse effect of alpha-adrenoreceptor antagonists T44.6 - Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists T44.6X - Poisoning by, adverse effect of and underdosing of alpha-adrenoreceptor antagonists T44.6X5 - Adverse effect of alpha-adrenoreceptor antagonists