%0 Journal Article %T Ultrasound-assisted preparation of calcium malate and its absorption %A Ma, Wuren %A Lv, Yizhou %A Cao, Xuan %A Wang, Mengzhi %A Fan, Yunpeng %A Shan, Yuanyuan %J PLoS ONE %V 16 %N 7 %D 2021-07-15 %I Public Library of Science %~ DeepDyve