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. 2009 Jun;41(3):134–139. doi: 10.4103/0253-7613.55210

Table 3.

Nitric oxide (NO) production by cultured macrophages in various groups on acute and chronic treatment with cocaine ± drugs

Acute model	Chronic model

Groups	Nitrite secretion (μM/10⁶)	Nitrite secretion (μM/10⁶)
Control	3.11 ± 0.82	3.57 ± 0.76
Cocaine	2.81 ± 0.85	1.97 ± 0.72^a
Cocaine + O.sanctum	3.78 ± 1.43	4.06 ± 0.95^b
Cocaine + ascorbic acid	4.11 ± 1.25	3.31 ± 0.92^b
Cocaine + verapamil	4.42 ± 1.06	3.80 ± 0.86^b

Values are Mean ± SEM. n = 6 in each group. P values; a < 0.001 vs. control, b < 0.001 vs. cocaine. One-way ANOVA followed by Tukey's test.