We carried out a nested case–control study to measure the rate ratio (RR) for invasive female
breast cancer in relation to non-steroidal anti-inflammatory drug (NSAID) use. The source …

To test the hypothesis that tricyclic antidepressant use increases invasive female breast
cancer incidence, we carried out a case–control study within the population of female …

A homeobox sequence has been used to isolate a new Xenopus cDNA, named XIHbox6. A
short probe from this gene serves as an early marker of posterior neural differentiation in the …

Wilms' tumor is one of the most common abdominal childhood malignancies. Wilms' tumor
rates in Brazil are among the highest in the world. This prompted the Brazilian Wilms' Tumor …

We evaluated the risk of Wilms' tumor in the offspring of women taking various medications
during pregnancy in a case-control study conducted in Brazil. The study accrued 109 cases …

The alcohol intake and drinking behaviour of 24 patients who presented with acute gout in a
family practice over a 5-year period were compared with these features of a control …

A DNA sequence polymorphism, revealed by digestion of human DNA with the restriction
endonuclease Sst-1 and hybridization with an apolipoprotein AI complementary DNA clone, …

The entoptic shadows of the retinal blood vessels were visualized by temporal modulation of
their contrast.

The structure and function of the genes encoding the polypeptide components of plasma
lipoproteins are of interest because of the central role they play in the regulation of lipid …

Evidence for velocity-specific channels in the human visual system was obtained by adapting
to drifting sinusoidal gratings and determining the amount of threshold elevation at other …