404. That’s an error.
The requested URL /bookmarks/mark?op=add&bkmk=https%3A//bjgp.org/content/59/568/819&title=Child%20deaths%3A%20confidential%20enquiry%20into%20the%20role%20and%20quality%20of%20UK%20primary%20care
was not found on this server. That’s all we know.