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There are nuggets of information throughout, such as a cost/nutrition analysis that uses data found on labels to calculate the best value in pet food. The short chapter on \"Acquiring a Pet\" offers readers a broad summary -- dog or cat, guard dog or lap dog -- although anyone interested in specific characteristics of particular breeds will need to seek out further reference from breeders, specialty books, or the kennel club.

Ninety-one male and female adults, who were walking in the corridor of a commuter train station situated in a large metropolitan area of the United States, were given the option of violating the personal space of either a tall or short male confederate (C). In a similar manner, 91 additional male and female adults could violate the personal space of either a tall or short female C. The results showed that the commuters significantly preferred to intrude into the short, rather than the tall, Cs' spaces. This discrimination occurred for both male and female Cs. Also, female commuters invaded the space of the short Cs significantly more frequently than did the male commuters.

To the Editor: In their article on antiviral agents in the April 17 issue, Drs. Hirsch and Swartz conclude that parenteral vidarabine therapy is indicated in herpes simplex encephalitis diagnosed by biopsy, and they mention that the biopsy results are normal in nearly half the patients suspected to have herpes. To obtain accurate biopsy results, it is important that the tissue specimen be taken from the right place. Cases have been encountered in which the biopsy results were normal yet the post-mortem histology revealed notable changes in areas adjacent to the area from which the specimen was taken (Muller J. . . . No extract is available for articles shorter than 400 words.

To the Editor: Electronic fetal-heart-rate monitoring is a technique that simply presents a continuous record of the pulse rate as influenced by uterine contractions. It is imperative that professionals understand the limitations of interpreting a simple pulse rate. If an abnormality is detected, other means have to be used to ensure that the fetus is not compromised. In the study of Shy et al. (March 1 issue),* \"The presence of a fetal blood pH below 7.2 in conjunction with nonreassuring or abnormal patterns on heart-rate monitoring or the persistence of such patterns for more than 30 minutes (if fetal-blood . . .