title: [L-tryptophan is available again. Interview by Dr. rer. nat. Till Uwe Keil].
authors.forename: J
authors.initials: J
authors.lastname: Schulze
mesh_terms: D003866:Depressive Disorder / Q000188:drug therapy*; D005858:Germany; D006801:Humans; D007319:Sleep Initiation and Maintenance Disorders / Q000188:drug therapy*; D014364:Tryptophan / Q000009:adverse effects / Q000627:therapeutic use*
chemical_list: D014364:Tryptophan