Which of the following is a correct statement pertaining to heroin?
A . The first comprehensive control of heroin in the United States was established with the Harrison Narcotic Act of 1914.
B . Pure heroin is rarely sold on the street.
C . The Bayer Company in Germany first started commercial production of heroin as a pain remedy in the latter part of the nineteenth century.
D . Pure heroin is a white powder and is also known as "horse. "
E . Both b and d.
F . All of the above.
Answer: F