中国性病艾滋病防治协会

The International Society for Infectious Diseases (ISID) brings together a network of over 80,000 individuals from around the world.

The WPA is the global association representing 145 psychiatric societies in 121 countries and bringing together more than 250,000 psychiatrists.

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康众卫生(CHAIN 红丝带网)-艾滋病信息资源网络

21wecan,国家卫生健康委人才交流服务中心

The National Comprehensive Cancer Network® (NCCN®), a not-for-profit alliance of 31 leading cancer centers devoted to patient care, research, and education, is dedicated to improving and facilitating quality, effective, efficient, and accessible cancer care so that patients can live better lives. NCCN offers a number of programs to give clinicians access to tools and knowledge that can help guide decision-making in the management of cancer.