The crocin group ( n = @ ) was given one selective serotonin reuptake inhibitor ( SSRI ) drug ( fluoxetine @mg/day or sertraline @mg/day or citalopram @mg/day ) plus crocin tablets ( @mg/day ; @mg BID ) and placebo group ( n = @ ) was administered one SSRI ( fluoxetine @mg/day or sertraline @mg/day or citalopram @mg/day ) plus placebo ( two placebo tablets per day ) for @ weeks .