title: The evolution of depressive phenomena in man and animals.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds; D002415:Cats; D002417:Cattle; D003863:Depression; D004285:Dogs; D004289:Dolphins; D006801:Humans; D006922:Hylobates; D008253:Macaca mulatta; D010215:Papio