TY  - RPRT
TI  - Fentanyl depression of respiration: comparison with heroin and morphine
AU  - Hill, R.
AU  - Santhakumar, R.
AU  - Dewey, W. L.
AU  - Kelly, E.
AU  - Henderson, G.
PY  - 2019
DO  - 10.1101/662627
UR  - https://www.biorxiv.org/content/10.1101/662627v1
ID  - 10.1101/662627
ER  -