血沉增快。血沉增快。 多于数天或多于数天或2 2周内自行缓解，周内自行缓解，恢复正常。恢复正常。有急性发作。有急性发作。The user can demonstrate on a The user can demonstrate on a projector or computer, or print the projector or computer, or print the presentation and make it into a film presentation and make it into a film to be used in a wider fieldto be used in a wider field
