Immigrants to Canada who have spent a greater proportion of their lives in Canada have a greater risk of developing multiple sclerosis (MS) than people who have spent a smaller proportion of their ...

ON examining the data contained in Mr. Pillsbury's interesting and valuable résumé on colour measurements in the United States, by means of ordinates and abscissæ for the various colours on squared ...

The advent of fertility treatments has led to an increase in the rate of multiple births in the United States. However, the trends in and magnitude of the contribution of fertility treatments to the ...