TY - GEN AU - Erdemoglu,A Kemal AU - Varlibas,Ayhan TI - The long-term efficacy and safety of botulinum toxin in refractory chronic tension-type headache SN - 1129-2369 PY - 2008///0502 KW - Adult KW - Analgesics KW - therapeutic use KW - Botulinum Toxins, Type A KW - administration & dosage KW - Chronic Disease KW - Female KW - Humans KW - Male KW - Middle Aged KW - Muscle, Skeletal KW - drug effects KW - Neck Muscles KW - Neuromuscular Agents KW - Patient Satisfaction KW - Prospective Studies KW - Recurrence KW - Tension-Type Headache KW - drug therapy KW - Time KW - Time Factors KW - Treatment Outcome N1 - Publication Type: Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1007/s10194-007-0414-7 ER -