Table 1.

Mean PDT of treatment groups

Treatment group	PDT (Hours)c
Positive controla	29.09
Negative controlb	62.50
0.156 mg/ml RJ	41.67
0.078 mg/ml RJ	41.67

^aα-MEM + 10% FBS,

^bβ-MEM,

^cMean PDT of the three independent tests