81.   Dr. Robin Murray, a British psychiatrist, found subtle childhood differences among those who later developed schizophrenia.

82.   Despite the similarity in pricing and methods, there are some differences among the various agencies.

83.   Differences among Republicans are making the process more difficult, Levin said.

84.   Differences among the major countries threatened to carry the negotiations into a third day.

85.   Executives for the three companies do not hesitate to point out the technical differences among their products.

86.   Even if you know one machine well, differences among brands are so significant that a technique that worked well with one may mean disaster in another.

87.   Field researchers with considerable practice can detect audible differences among crossbill types.

88.   Finally, when it came to ordering flatware, the couple had to explain the differences among the brands to the salesman.

89.   First, while puppies of a given breed may look almost exactly alike, there can be wide behavioral differences among individuals within a single litter.

90.   For Kasey Wilson, the author of several guidebooks and the co-host of a radio food show, has noticed the difference among her circle of friends.