51.   Those who test positive for H. pylori may also be given antibiotic treatment, though there has been disagreement among doctors as to whether they need treatment.

52.   Two large human studies are underway to see if antibiotic treatment will prevent heart attacks among individuals who have already survived one.

53.   Other research in the journal from Dr. Mark S. Klempner of Boston University School of Medicine found that prolonged antibiotic treatment is ineffective against this condition.

54.   Pragas who is now on pre-operative antibiotic treatment, is scheduled to undergo surgery at the Puteri Specialist hospital in Johor Baru in two weeks.

55.   Although Havel was responding well to antibiotic treatment, he would remain hospitalized, his spokesman Ladislav Spacek said earlier Sunday.

56.   Antibiotic treatment is effective only if given within four days of the onset of the illness.

57.   Bacteria mutating to resist antibiotic treatment are a growing health threat that increasingly leaves penicillin and other infection fighters ineffective.

58.   But when its balance is disrupted by antibiotic treatment, surgery or serious illness, infection often follows.

59.   Czech President Vaclav Havel will remain hospitalized even though he is responding well to antibiotic treatment for his chronic bronchitis, his spokesman said Sunday.

60.   Doctors expected to wrap up the antibiotic treatment on Friday, a week after Yeltsin fell ill with a swelling of the larynx and trachea.