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Trends And Differentials In Mortality From Cancers Of The Oral Cavity And Pharynx In The United States, 1973-1 987, Howard I. Goldberg, Stuart A. Lockwood, Stephen W. Wyatt, Linda S. Crossett

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Background. This analysis consisted of an examination of trends and differentials in mortality from cancers of the oral cavity and pharynx in the United States for a recent 15-year period.

Methods. The authors have used national cause of death data for the United States and intercensal population estimates to examine mortality from oral and pharyngeal cancers between 1973 and 1987 and to study differentials according to gender, race, and region of residence.

Results. The overall mortality rate from these cancers decreased by 19% during the 15-year period, with most of the decline occurring after 1979. Mortality was …

Molecular Subtyping Of Salmonella Enteritidis Phage Type 8 Strains From The United States, Miguel A. Usera, Tanja Popovic, Cheryl A. Bopp, Nancy A. Strockbine

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Salmonella enteridis is now the most common serotype of the genus Salmonella reported in the United States. Bacteriophage typing has been helpful for subdividing S. enteritidis strains from different sources in the United States. Most S. enteritidis outbreaks reported were egg related, and the majority of them were caused by strains of phage type 8. To determine whether restriction fragment length polymorphism of the rRNA genes (ribotyping) and of the genomic DNAs from two lysogenic phages from S. enteritidis could be used to discriminate between S. enteritidis phage type 8 strains, we conducted Southern hybridization studies on 24 isolates from …