Media type: E-Article Title: Evolutionary development of lymphocyte heterogeneity: Leucocyte subpopulations in the pacific hagfish Contributor: Gilbertson, Peter; Wotherspoon, John; Raison, Robert L. imprint: Elsevier BV, 1986 Published in: Developmental & Comparative Immunology Language: English DOI: 10.1016/0145-305x(86)90039-x ISSN: 0145-305X Keywords: Developmental Biology ; Immunology Origination: Footnote: