Paslakis, G Oral administration of the NMDA receptor antagonist S-ketamine as add-on therapy of depression: a case series. [electronic resource] - Pharmacopsychiatry Jan 2010 - 33-5 p. digital Publication Type: Case Reports; Letter ISSN: 1439-0795 Standard No.: 10.1055/s-0029-1237375 doi Subjects--Topical Terms: Administration, OralAdultDepression--drug therapyExcitatory Amino Acid Antagonists--administration & dosageFemaleHumansKetamine--administration & dosageMaleMiddle Aged