You accidentally put in an hour more community service than needed, now you have to do 1 hour of community disservice. What do you do? (old.reddit.com)
AskScience AMA系列。Hello Reddit! 对于Medscape教育,我们是Fatima Cody Stanford博士、Rachel M. Bond博士、John Whyte博士和Michael Sapienza准备好回答您关于COVID时代的健康公平的问题。向我们提出任何问题