Photos and other graphic images have been originally produced for Lab Tests Online or contributed by various people and organizations:
Photographers / Graphic designers
Roberta Carey, PhD. [LTO-US Editorial Review Board member]. "Labeling the Blood Sample" from Follow that Sample.
Dianne Solomon, MD. National Cancer Institute. Cervical cytology slides. Available in the public domain on the NCI's Benchmark web site. On Pap Smear: The Test
Wayne Chandler, MD. [LTO-US Editorial Review Board member]. "Physiologic coagulation cascade" and "Testing coagulation cascade" from Coagulation Cascade.
D. Robert Dufour [LTO-US Editorial Review Board member] and William Clarke (editors). Contemporary Practice in Clinical Chemistry. Copyright 2006 AACC. Figure: Faucets and Drains. Illustration of Acid-Base Balance on Acidosis and Alkalosis page.