Analytical basis for planetary quarantine.
D004787:Environmental Pollution / Q000032:analysis / Q000517:prevention & control; D005118:Extraterrestrial Environment; D008829:Microbiology; D008954:Models, Biological; D008962:Models, Theoretical; D009038:Motion; D011336:Probability; D011790:Quarantine; D012306:Risk; D013026:Space Flight; D013242:Sterilization; D013597:Systems Analysis