51.   The health department said the lab error involved the test that is typically used to monitor patients using warfarin.

52.   The patients were then monitored for the next six months, and recovery rates for the two groups were compared.

53.   This irregularity can lead to arrhythmias, so the FDA urged that patients be closely monitored.

54.   Damrong said the best way to combat the spread of the new strain was to have patients closely monitored to ensure they completed the course of treatment.