Preparation and Application of a Doubly Coated Membrane Tramadol Ion-selective Electrode Based on Ag/AgCl Wire;

Clinical Observation of Obstetrics Analgesia in Varied Concentration of Tramadol and Bupivacaine;

Clinical observation of tramadol added to ropivacaine solution for brachial plexus block;

Curative Effect Observation of Healing Terminal Cancer Pains with Patient Controlled Intravenous Analgesia (PCIA) with Tramal;

Effect of tramal or fentanyl on circulation and respiration of general anesthesia patient managed postoperative analgesia during trachea extubation;

A clinical study on application of tramal in patient controlled intravenous analgesia in maxillofacial postoperative analgesia;

Preparation of Tramadol hydrochloride intragastric floating sustained-release capsule;

Anodic voltammetry of tramadol hydrochloride at a glassy carbon electrode;

Preparation and in vitro characterization of tramadol hydrochloride sustained-release tablets;

HPLC-fluorescence method for determination of tramadol hydrochloride in human plasma;

The reaction of m-bromoanisole with 2-(dimethylaminomethyl)cyclohexanone yielded the title as a mixture of Z- and E-isomers,which were separated into tramadol.

Analgesic activity of compound paracetamol and tramadol hydrochloride tablets;