Intravascular (IV)
Reference(s) for this graph: Alexander 1973, Dickson 1987, Eickenberg 1980, Matushek 1991, Peterson 1995, Rosin 1993, Trudel 1994 – See the reference page for full citation
Intramuscular (IM)
Reference for this graph: Wold 1977
Reference(s) for this graph: Alexander 1973, Dickson 1987, Eickenberg 1980, Matushek 1991, Peterson 1995, Rosin 1993, Trudel 1994 – See the reference page for full citation
Reference for this graph: Wold 1977