title: On the mechanism of mental deficiency in chromosomal diseases.
mesh_terms: D002874:Chromosome Mapping; D006801:Humans; D008607:Intellectual Disability / Q000201:enzymology / Q000235:genetics* / Q000378:metabolism; D011941:Receptors, Adrenergic; D011950:Receptors, Cholinergic
chemical_list: D011941:Receptors, Adrenergic; D011950:Receptors, Cholinergic