Protocatechuic acid suppresses diethylnitrosamine-induced hepatic preneoplastic lesions by inhibiting phase I enzymes, reducing cell proliferation, and promoting apoptosis. - Punvittayagul, Charatda; Taya, Sirinya; Luangsuphabool, Theerapat; Wongpoomchai, Rawiwan (Journal of Toxicological Sciences, 2025)