Measuring small objects with a Vernier caliper is a lot more accurate than using a ruler, but how to read a manual Vernier caliper is a mystery to most. Step 1: Manual calipers typically have a ...

Mammary tumors similar to those observed in women can be induced in rats by intraperitoneal administration of N-methyl-N-nitrosourea. Determining tumor volume is a useful and quantitative way to ...