QuarkMed Medical Foundation Model Technical Report. - Ao Li; Bin Yan; Bingfeng Cai; Chenxi Li; Cunzhong Zhao; Fugen Yao; Gaoqiang Liu; Guanjun Jiang; Jian Xu; Liang Dong; Liansheng Sun; Rongshen Zhang; et al. (CoRR, 2025)