TY - GEN AU - Ziegler,D K TI - Opioids in headache treatment. Is there a role? SN - 0733-8619 PY - 1997///0529 KW - Analgesics, Opioid KW - adverse effects KW - Headache KW - drug therapy KW - Humans KW - Substance-Related Disorders KW - etiology N1 - Publication Type: Journal Article; Review UR - https://doi.org/10.1016/s0733-8619(05)70304-2 ER -