Complex sentence: In the National Institute for Health and Clinical Excellence ranking of 10 antidepressants for efficacy and cost-effectiveness See p410 of citalopram is fifth in effectiveness (after mirtazapine, escitalopram, venlafaxine, and sertraline) and fourth in cost-effectiveness.
Split into simpler sentences: In the National Institute for Health and Clinical Excellence ranking of 10 antidepressants for efficacy and cost-effectiveness National Institute for Health and Clinical Excellence. NICE; 2009 citalopram is fifth in effectiveness (after mirtazapine, escitalopram, venlafaxine, and sertraline) and fourth in cost-effectiveness.