title: Unity or diversity?
authors.affiliation: School of Animal and Microbial Sciences, University of Reading, Whiteknights, UK. p.w.h.holland@reading.ac.uk
authors.forename: P W
authors.initials: PW
authors.lastname: Holland
mesh_terms: D000375:Aging; D000818:Animals; D018507:Gene Expression Regulation, Developmental; D005801:Genes, Homeobox; D014714:Vertebrates / Q000235:genetics* / Q000254:growth & development*