11.   Despite the prevalence of the condition, doctors disagree on the best way to treat it and there is little research to guide them.

12.   Determining who has which of these conditions requires more testing, but doctors disagree about the tests to use.

13.   Doctors disagreed about whether he had a personality disorder.

14.   Doctors disagree.

15.   Doctors might disagree.

16.   Doctors disagree about whether they ought to function as therapists as well as surgeons.

17.   Doctors disagree on how well a man who has become a woman can pass.

18.   Doctors disagree on the effectiveness of PSA testing for prostate cancer.

19.   Doctors disagreed.

20.   Her doctors disagreed.