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MyJournals.org - Science - 'Facilitators and Barriers to Uptake of the Med Safety Mobile App for Adverse Drug Reaction Reporting by Health Workers in Uganda: A Qualitative Study' (Drug Safety)
MyJournals.org - Science - 'Long-Term Safety Analysis of the ChAdOx1-nCoV-19 Corona Virus Vaccine: Results from a Prospective Observational Study in Priority Vaccinated Groups in North India' (Drug Safety)
MyJournals.org - Science - 'Maternal and Early-Life Exposure to Antibiotics and the Risk of Autism and Attention-Deficit Hyperactivity Disorder in Childhood: a Swedish Population-Based Cohort Study' (Drug Safety)
腾讯朋友的三次折戟 而且虽然腾讯朋友一直没有成为主流社交应用，但腾讯一直没有彻底放弃它。比如，这项业务先后改名三次，从QQ校友、朋友网到腾讯朋友APP，每次改名都是调整后的重新出发，不过最终结果却都不理想。 而在了解它不同阶段的运营情况后，发现其运营失败大部分是源于自身因素。 而且作为一款产品，虽然短期可以“不求盈利”，但长期来看，盈利能力是产品存续的关键。而QQ校友的目标用户学生群体，消费能力比较有限，就很...
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