TABLE 1.

Pathological manifestations of PFW and PFE in mice.

Pathological manifestations	Grading of lesion degree	Control	PFW	PFE
Hepatocellular steatosis	+	0	0	2
	2+	0	0	5
	3+	0	0	3
Hepatocellular hypertrophy	+	0	2	0
	2+	0	0	6
	3+	0	0	3

Note. “+” means a very slight lesion; “2+” means a mild lesion; and “3+” means a moderate lesion.