Marijuana addiction [1] (multiple letters)

1. Grinspoon, L.
2. Bakalar, J.B.
3. Zimmer, L.
4. Morgan, J.P.
5. McGregor, I.S.
6. Di Chiaro, G.
7. De Fonseca, F.R.
8. Carrera, M.R.A.
9. Knob, G.F.
10. Weiss, F.