title: Introduction: Professor Channi Kumar (1938-2000).
authors.forename: M N
authors.initials: MN
authors.lastname: Marks
mesh_terms: D019052:Depression, Postpartum / Q000266:history*; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008131:London; D011570:Psychiatry / Q000266:history*