Blood and other samples for testing

Clinical testing

Clinical testing

Medical testing

Female scientist at workstation testing oil samples

Clinical testing

Female scientist at workstation testing oil samples

Young woman scientist viewing blood tube during clinical testing of medical samples in a laboratory

Young woman scientist viewing blood tube during clinical testing of medical samples in a laboratory

DNA testing

Female scientist pipetting DNA samples for testing

Health screening

Laboratory tests

Genetic testing of meat, conceptual image

Genetic testing of meat, conceptual image

Genetic testing of meat, conceptual image

Genetic testing of meat, conceptual image

Illustration demonstrates the first step when obtaining clean catch specimen. The female client sits on the commode and separates her labia with her nondominant hand.

Illustration demonstrates the second step when obtaining clean catch specimen. The female client cleanses her peritoneum, washing from front to back, using a cotton ball or wipe in only one stroke and then discarding it.

Genetics research

DNA Research

Medical test tube with blood and DNA

Microscope and chemicals

DNA Research

Laboratory workers testing oil samples