Fig. 4.
Effect of L-NMMA on cGMP from Hep3B cells stimulated by hypoxia.
Hep3B cells were incubated with different concentrations of L-NMMA under hypoxia (1% O2) for 2 hours. cGMP was measured by EIA. Two separate experiments were performed (n = 2). Error bars represent 1 SD. *P < .01.
