PT - JOURNAL ARTICLE AU - Liang, Han TI - PD-1 inhibitors provide new opportunities in conversion therapy for stage IV gastric cancer AID - 10.20892/j.issn.2095-3941.2022.0244 DP - 2022 May 15 TA - Cancer Biology & Medicine PG - 565--568 VI - 19 IP - 5 4099 - http://www.cancerbiomed.org/content/19/5/565.short 4100 - http://www.cancerbiomed.org/content/19/5/565.full SO - Cancer Biology & Medicine2022 May 15; 19