TY - GEN AU - Nishimura,N AU - Kiuchi,M AU - Kanetake,Y AU - Takahashi,T TI - [Clinical exaluation of a new analgesic agent Ap-237] SN - 0021-4892 PY - 1970///1020 KW - Adult KW - Analgesics KW - adverse effects KW - Clinical Trials as Topic KW - Female KW - Humans KW - Injections, Intramuscular KW - Labor, Obstetric KW - Male KW - Middle Aged KW - Piperazines KW - therapeutic use KW - Placebos KW - Pregnancy N1 - Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ER -