Given the task definition and input, reply with output. Given an abstract of a paper, generate a title for this paper such that conveys the key focus of the paper.

Abstract: Calcium carbonate appears to be as effective as aluminum hydroxide in binding dietary phosphorus in hemodialysis patients. The long-term safety of this medication appears acceptable in view of today's therapeutic options.
Calcium carbonate as a phosphate binder in hemodialysis patients.