Because of the variability from patient to patient, clinical research has not provided guidelines that are easily adapted to individual patient problems.

由于患者之间存在着个体差异，临床研究仍不能提供合适的个体化治疗准则。

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Doctors who suspect a patient has MS must carry out a number of tests and study the patient's history of health problems.

VOA: special.2009.01.06

Doctors who suspect a patient has Alzheimer's must test the person for many other physical problems first.

VOA: special.2009.09.15

The agency is now investigating patient reports of LASIK injuries and is working on a study of post-LASIK problems.

VOA: standard.2010.03.03

But Julie Cole, a psychosexual therapist and consultant with the UK relationship counselling service Relate, said it was vital the underlying causes for a patient's problems were studied.

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Doctors are also concerned about malpractice lawsuits, since a prescription potentially puts them on the hook for any problems a patient suffers from over-the-counter drugs.

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In September 2011 inspectors found problems with patient nutrition.

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