Millar and Stephens Respond

20-24 Millar

ity control. Others fear that even minor adverse effects of abortion on women’s health or on the outcome of later pregnancies might be cumulative with multiple abortions. In this article, we describe the rate of and trends in repeat abortion in Canada from 1975 to 1993, and we relate these data to selected characteristics of Canadian women who obtained repeat abortions. Additionally, although t...

The Sofield-Millar operation in osteogenesis imperfecta

We have reviewed the results of the Sofield-Millar operation on 58 long bones in ten patients. If more than three osteotomies were undertaken the time to union of the bone was significantly prolonged (p < 0.001) with significant thinning of the bone (p < 0.02). We have used a modified technique in order to minimise surgical trauma and devascularisation of the bone. The rod is introduced under t...

G. Gayle Stephens Festschrift.

Pritchard, Stephens, and Donnelly on Population Structure.

In essentially any species, genetic similarity among individuals is structured by the existence of subgroups and geographic isolation. For researchers, understanding this population structure can be of direct interest, a necessary waystation to further analyses, or a confounding nuisance. Regardlessof themotivation,understandingpopulation structure is an essential step for population genetic an...

SALAHUDDIN KHAN , AND KENNETH MILLAR 1185 RESULTS Effect

Since the initial description by Michaelis over a half century ago, of the effects of competition of antigens on the immune response (1), interest in this area has waxed and waned concomitant with the current views and interests of investigators in medicine and biology. Initially, workers were motivated in their studies by a practical purpose, since antigenic competition played a vital role in ...