highly significantP < 0 001
At Day 14 the difference between control and 3-0 ug/ml was significant (P <0.001) and the difference between 3 0 ug/ml and 10 0 ,Ag/ml was also highly significant (P < 0 001) (using Student's t-test).
At Day 14 the difference between control and 3-0 ug/ml was significant (P <0.001) and the difference between 3 0 ug/ml and 10 0 ,Ag/ml was also highly significant (P < 0 001) (using Student's t-test).