Hour Squared Times Nanogram per Milliliter

**Semantic type:** Quantitative Concept

**Definition:** Hours squared times nanograms per milliliter.

**Synonyms:** - h*h*ng/mL - h*h*ng/mL - h2*ng/mL - h2*ug/L - h2*ug/L - h2.ng/mL - h2.ng/mL - h2.ng/ml - h2.ng/ml - h^2*ng/mL - h^2*ng/mL - ng*h2/mL - ng*h2/mL