21.   Seven rhesus monkeys were given oral doses of the simian immunodeficiency virus, or SIV, a close biological cousin of HIV, the human immunodeficiency virus.

22.   Since chemotherapy does not fight kidney cancer, the patients in the study were not given big doses of it, or radiation.

23.   Such high doses are typically given in hospitals, where staff can monitor for reactions, stop the medication and try another drug.

24.   The death occurred when a large dose was given to the patient over a much shorter period than intended.

25.   The standard daily five-week course gives lower doses.

26.   The second dose was given a month later and the third was given a year after the first.

27.   The shorter, three-week course of daily radiation gives higher doses.

28.   Throughout the decades of Soviet rule, Uzbeks were given regular doses of anti-American propaganda.

29.   When he gave the second mouse lethal doses of Taxol, it also survived, which proved the gene was still protective.

30.   Paramedics in an Indian state went door-to-door to give anti-polio doses to children on Monday after parents stayed away from a U.N. immunization campaign, fearing side effects.