In "The Seven-Per-Cent Solution", this literary character is treated by Sigmund Freud for drug addiction
In Meyer's novel, The Seven-Per-Cent Solution, the hiatus was explained as a ... 
in for those years after his drug rehabilitation treatment with Sigmund Freud's 
help,... [DOC] [TLE] Amazon.co.uk:Customer Reviews: The Seven Per Cent Solution [PAR] Alan Arkin is rather perfect as Freud but Nicol Williamson, with his ... in the hope 
that Sigmund Freud could cure him of his addiction to a seven-per-cent ... of the 
19th century to find themselves caught up in another drug-wreathed mystery.