Some TestsIt begins with the normally healthy Bethaged care worker, wife of David, and mother of Lettie and Gemfeeling vaguely off colour. A locum sends her to Dr Yi for some tests. "There are a few things here that aren't quite right," says Dr Yi, "and sometimes it is these little wrongnesses that can lead us to the bigger wrongs that matter." Beth is sent on to Dr Twoomey for more tests, then to another specialist, and another. Referral after referral sees