Tested for Vancomycin in Blood
Normal range: 10.0 - 20.0 ug/mL
Day 1976: 9.0 
Day 1978: 20.0 
Day 1984: 35.0 
Day 1984: 31.7 
Day 1987: 28.9 
Day 1987: 27.3 
Day 1988: 24.2 
Day 1989: 18.8 

Tested for Vancomycin in Blood
Trend is increasing
Abnormality: 
Low values on days 1976High values on days 1984, 1987, 1988
