TY - GEN AU - Saletu,B TI - [Melatonin--a natural hypnotic?] SN - 0043-5325 PY - 1998///0116 KW - Circadian Rhythm KW - drug effects KW - Dose-Response Relationship, Drug KW - Drug Interactions KW - Humans KW - Hypnotics and Sedatives KW - adverse effects KW - Melatonin KW - Reference Values KW - Sleep KW - Sleep Initiation and Maintenance Disorders KW - drug therapy N1 - Publication Type: English Abstract; Journal Article; Review ER -