The validity of the DST.
D003866:Depressive Disorder / Q000097:blood / Q000175:diagnosis*; D003907:Dexamethasone; D005069:Evaluation Studies as Topic; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D012107:Research Design / Q000592:standards
D003907:Dexamethasone; D006854:Hydrocortisone