41.   A field test was positive for cocaine but lab results showed the substance was gypsum.

42.   A Mississippi doctor e-mails lab test results and medication changes to avoid the delay of a second visit.

43.   Anyone who did was given a three-day supply of antibiotics, six pills in all, and told to report back Thursday to obtain the lab results.

44.   But officials waited for lab results in order not to unnecessarily panic the population.

45.   By the time lab results are ready, the vehicle has usually delivered its goods to the Hong Kong market.

46.   By their high-frequency waves, the phones can lead to false lab results, it said.

47.   Four employees had been taking antibiotics before the World Bank received lab results on Wednesday determining no live spores were present.

48.   Hunter will be investigated only for the Bislett Games test because that lab result was the first to reach the IAAF, Ljungqvist said.

49.   IMF officials said they were still awaiting definitive lab results.

50.   In Lithuanian, officials are examining mailbags at the U.S. Embassy after lab results showed anthrax traces in at least one of them.