Vertical integration and contractual network in the cardiovascular sector: the experience of the Italian regionEmilia Romagna,Cristina Ugolini,Lucia Nobilio, Agenzia Sanitaria Regionalemag(2013)引用 22|浏览1暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要