The sharing principle.
D000818:Animals; D018070:Biological Specimen Banks / Q000592:standards*; D006801:Humans; D051379:Mice; D008817:Mice, Mutant Strains; D008822:Mice, Transgenic; D010506:Periodicals as Topic / Q000592:standards; D011643:Publishing / Q000592:standards; D012106:Research / Q000592:standards*; D012108:Research Personnel / Q000592:standards