Frerich, W <br/><br/>
[Obstetrical analgesia using Valoron (Tilidine)].  [electronic resource] 

 -  Die Medizinische Welt  Oct 1975 
 - 2013-4 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0025-8512 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesia<br/>Anesthesia, Obstetrical<br/>Apgar Score<br/>Cyclohexanecarboxylic Acids<br/>Female<br/>Humans<br/>Infant, Newborn<br/>Maternal-Fetal Exchange<br/>Meperidine<br/>Pregnancy<br/>Respiration--drug effects<br/>Tilidine