AIM: To assess the impact of procollagen Ⅲ peptide as a marker of collagenesis in the development of pseudopolyps in pa......

本文依据马克思主义哲学原理和国内外决策理论研究成果认为，决策活动的本质是活动主体在观念上对客体的改造，决策问题的本质是客体存......