[A unit of a mass fraction expressed as a number of milligrams of substance per kilogram of mixture. The unit is also used as a dose calculation unit. ( NCI )]
UMLS (NCI) C1300559Attogram per Picogram
Femtogram per Nanogram
fg/ng
mcg/g
mg/kg
Microgram per Gram
Milligram per Kilogram
Nanogram per Milligram
ng/mg
pg/mcg
pg/ug
Picogram per Microgram
yg/ag
Yoctogram per Attogram
Zeptogram per Femtogram
zg/fg