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It is worth noting that 'RR' in the title of our article is indeed
'relative risk' but that there is no statistical inference associated with
our use of this term.
Also, I am grateful to Ross Bearman and others for pointing out some
typos / errors in our paper - namely:
The introduction states cannabis is a class C drug, the correct
designation of class B is listed in table 1.
Figure 2 identifies methyl...
Figure 2 identifies methylphenidate as class C (should be class B)
Figure 3 identifies benzodiazepines as class B (class C)
Figure 3 methylphenidate as not classified (class B)
All three charts identify:
Ketamine as class B (class C)
Buprenorphine as class B (class C)
Dihydrocodeine as class C (class B)
Amphetamines as class C (class B)
Barbituates as class C (class B)