GERM-FREE ISOLATORS.
D000818:Animals; D000830:Animals, Laboratory; D000985:Antisepsis; D020811:Biomedical Technology; D005856:Germ-Free Life; D007753:Laboratories; D013677:Medical Laboratory Science; D012106:Research; D013026:Space Flight; D013514:Surgical Procedures, Operative; D013672:Technology
ANIMALS, LABORATORY; ANTISEPSIS; EXPERIMENTAL LAB STUDY; GERM-FREE LIFE; SPACE FLIGHT; SURGERY, OPERATIVE; TECHNOLOGY, MEDICAL