BACTERIAL INOCULATION 305 



to fulfil MetchnikofF's assertion, but none of these 

 equal in therapeutic value the living liquid cultures of 

 the B. Bulgaricus. These cultures are best prepared 

 in tubes as is done by certain pharmaceutical houses. 

 The content of one tube is poured into three table- 

 spoonfuls of sweetened water and drunk, or it may be 

 poured into a glass or half a glass of milk and drunk 

 immediately. Fresh cultures should always be ob- 

 tained and stored in a refrigerator to maintain activity. 

 They may be taken indefinitely without harmful 

 effect. 



20 



