downey cell
catylase
spirochetes (syphilis)
TB
protozoal infections
darkfeild
giamsa
mono indicator
paul bunnel
ecoli in water
coliform
dick
scarlet fever
widal
erythroblastis fatalis
diptheria immunity
coombs
staph vs strep
schick
typhoid
syphilis
tine (ppd used now)
wasserman
mononucleosis
