TY  - RPRT
TI  - Codeine self-medication in a headache patient.
AU  - E L Eng
AU  - J Lachenmeyer
DO  - 10.1046/j.1526-4610.1996.3607452.x
UR  - https://pubmed.ncbi.nlm.nih.gov/8783481/
ID  - 8783481
ER  -