71.   The treatment must have worked.

72.   The treatment works very well in rabbits, he said at a recent meeting of Research to Prevent Blindness.

73.   The treatment has worked well in a handful of people, but there are good reasons why the therapy is not used more widely, Goldstein said.

74.   The treatment works much as Kegel exercises do.

75.   The treatments work by stimulating the heart to actually grow additional blood vessels, a process known as angiogenesis.

76.   There is anecdotal evidence that some treatments work to help asbestosis, Brodkin said.

77.   These treatments may work so well that you will end up with a clean spot, and will have to do the whole wall.

78.   To judge by the results, all the treatments work to a degree, but success in such cases can be a sometime thing.

79.   Treating progressive neurological diseases is one of the most difficult challenges in medicine because it is so hard to measure how different treatments work.

80.   We would have a patient hurtling toward brain injury and no way to tell what treatment was working.