Mice, KnockoutPhenotypeResearchResearch Support as TopicGene Knockout TechniquesResearch DesignEthics, ResearchResearch PersonnelNursing ResearchHealth Services ResearchTranslational Medical ResearchGenetic ResearchMice, Inbred C57BLClinical Nursing ResearchDental ResearchCommunity-Based Participatory ResearchBehavioral ResearchQualitative ResearchUnited StatesHuman Experimentation