title: The Danziger-Elmergreen theory of periodic catatonic schizophrenia.
mesh_terms: D002389:Catatonia / Q000378:metabolism; D005246:Feedback; D006801:Humans; D008433:Mathematics; D008954:Models, Biological; D010507:Periodicity; D013963:Thyroid Hormones / Q000378:metabolism; D013972:Thyrotropin / Q000378:metabolism
chemical_list: D013963:Thyroid Hormones; D013972:Thyrotropin