Research Article

The Restorative Effect of Red Guava (Psidium guajava L.) Fruit Extract on Pulmonary Tissue of Rats (Rattus norvegicus) Exposed to Cigarette Smoke

Figure 4

The score of the pulmonary alveolar congestion and alveolar septum thickening of rats exposed to cigarette smoke and administered RGFE. Different letters in a cluster were significantly different . CG = rats administered 0.5 mL CMC Na 0.5%, T0 = rats administered CMC Na 0.5% and exposed to cigarette smoke, and T1, T2, and T3 = rats administered RGFE 18.9, 3.78, and 5.76 mg/kg BW/day and exposed to cigarette smoke.