CONGENITAL hepatic fibrosis is an uncommon cause of portal hypertension and usually presents as alimentary bleeding in childhood or adolescence. The occurrence in more than one member of a family has been described (Kerr et al., 1961; Campbell et al., 1958). This report concerns four members of one family who have presented with clinical features attributable to congenital hepatic fibrosis. Pat...

The past decade has seen enormous growth in the amount of software produced. However, given the ever increasing complexity of the software being developed and the concomitant rise in the typical project size, managers are becoming increasingly aware of the importance of issues that influence the productivity levels of the project teams involved. By analyzing the latest release of ISBSG data rep...

When a method of intracoronal reinforcement is selected, many factors must be weighed. The hazards include (1) the induced stresses and the risk of fracture during placement of the dowel, (2) the probability of root perforation during post space preparation, (3) the wedging action of tapered dowels, and (4) the incidence of fracture with self-threading pins in devitalized teeth. The amount of t...

Unconfident examinee: Kate is taking a history test. She had studied carefully and has been doing well on all the questions so far. She has now reached the final question, which reads “What year did Queen Elizabeth die?” As Kate reads this question she feels relief, since she had expected this question and memorized the answer. But before Kate can pause to recall the date, the teacher interrupt...

“Some time next year an embryo will be cloned from a human adult. It will be implanted in the uterus of a young woman selected with some care for her wide pelvis and robust health. A son will be born at the dawn of the third millennium. Neither angels nor news wires are likely to herald the birth. The father — an Asian plutocrat, South American kleptocrat or aging Western rock star — won’t be l...

Enhanced sensitivity to information of negative (compared to positive) valence has an adaptive value, for example, by expediting the correct choice of avoidance behavior. However, previous evidence for such enhanced sensitivity has been inconclusive. Here we report a clear advantage for negative over positive words in categorizing them as emotional. In 3 experiments, participants classified bri...