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Comparison of small subunit rRNA gene sequences from three eukaryotes and three bacterial species
Intussusception. The condition is caused by an infolding of the small intestine, which often causes
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Sociologists study the social factors that underlie human behavior, the experiences that mold us, ...
Small Town USA: Struggling to Survive
The term “natural,” when used on the packaging of meat and poultry