Million per Gram

**Semantic type:** Quantitative Concept

**Definition:** A unit of measurement equal to one million entities per unit of mass equal to one gram.

**Synonyms:** - /ug - /ug - /ug - 1/ug - 10*6/g - 10*6/g - 10^3/mg - 10^6/g - 10^6/g - 10^6/g - 10^9/kg - per microgram