1.   The only experiments on laboratory animals that have definitely shown a life-lengthening effect have involved subjecting rats and mice to a severely restricted diet.

2.   Studies include analysis of the genetics of growth using laboratory animals and of quantitative production traits in livestock.

3.   High acidity of the duodenal contents has for a long time been found to be associated with gastric metaplasia, both in humans and in laboratory animals.

4.   Evidence from laboratory animals supports the idea that the testis determining factor is the product of the SRY gene.

5.   This result accords with earlier preliminary findings in man and in laboratory animals.

6.   And, unless you are a rodent, use caution in applying results that are obtained with laboratory animals to your own situation.

7.   As an example, they cited federal standards for the care of laboratory animals.

8.   As a result, many experiments now done with laboratory animals or even human subjects will be completed entirely on computers.