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14 Some think that the problems are simply technical: repairing a
rat's string-thin spinal cord is a complicated experiment to copy. Others
argue that, in some cases, eager scientists have put an over-optimistic
30 spin on their results. These accusations are hotly disputed, but some
researchers privately fear that the expectation of high-profile patient.
advocacy groups may be inadvertently creating an atmosphere in
which problems are likely to occur. Certainly, some researchers admit to
feeling under pressure to perform. "If patients phone you three or four
35 times a year and you can't tell them anything new, that's a pressure
says Isabel Klusman of the University of Zurich in Switzerland.
15 Exploring these issues is difficult, as no one wants to be no