TY  - RPRT
TI  - Efficacy definitions for migraine studies.
AU  - D J Goldstein
AU  - W W Offen
AU  - M B Moster
PY  - 1999
DO  - 10.1046/j.1468-2982.1999.019004248.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10376171/
ID  - 10376171
ER  -