Fig. 1From: Caffeine citrate enhanced cisplatin antitumor effects in osteosarcoma and fibrosarcoma in vitro and in vivoTreatment scheme. 2 days after tumor cells were injected, chemotherapy was begun. The tumors were measured on days 1 and 4 of each cycle. C-drug, Combination drug: caffeine, citrate, or caffeine citrateBack to article page