[Spring fatigue--what helps?].
D000529:Complementary Therapies; D005221:Fatigue / Q000209:etiology / Q000628:therapy*; D006705:Homeopathy; D006801:Humans; D008550:Melatonin / Q000097:blood; D008517:Phytotherapy; D012621:Seasons
D008550:Melatonin