51.   Caughey and his fellow researchers therefore developed a technique for purifying both normal and abnormal prions in the absence of any cellular material.

52.   Doubtless, we will develop new techniques of price measurement to unearth them as the years go on.

53.   Dr. Yang, who works at New York Hospital-Cornell Medical Center, developed the technique, called Ultrafast Papanicolaou Stain, just one year ago.

54.   Earlier, Silverstone became known for developing a technique that allowed doctors to determine how much radiation a patient was receiving.

55.   Ditto is attempting to develop new techniques for electrically stimulating the brain in epileptics that might eliminate seizures, which are now treated primarily with drugs or surgery.

56.   Dr. George Edward Block, a surgeon who developed new techniques in gastrointestinal surgery, died Sunday at the University of Chicago Medical Center.

57.   Engineers are also expected to develop techniques for testing the system to determine how vulnerable it might be to a catastrophic failure.

58.   For instance, clinicians working with severely abused children here developed techniques to curb traumatic memories.

59.   From his two-plus decades as a teacher, counselor and therapist, Robinson has developed some techniques for combating an out-of-control work life.

60.   From this he developed a technique of narrative, a sense of drama and a repertory of emblematic shapes.