Uncertainties about 'painless' animals.
D032761:Animal Experimentation; D017087:Animal Rights; D000827:Animal Welfare; D000818:Animals; D004274:DNA, Recombinant; D004989:Ethics; D005818:Genetic Engineering; D006801:Humans; D009042:Motivation; D010146:Pain; D012306:Risk; D018570:Risk Assessment
Analytical Approach; Biomedical and Behavioral Research; Genetics and Reproduction