404. That’s an error.

The requested URL /bookmarks/mark?op=add&bkmk=https%3A//care.diabetesjournals.org/content/11/4/361&title=Type%20A%20Behavior%20Pattern%20and%20Chronic%20Glycemic%20Control%20in%20Individuals%20With%20IDDM was not found on this server. That’s all we know.