Main, D M <br/><br/>
Controlled trial of a Preterm Labor Detection program: efficacy and costs.  [electronic resource] 

 -  Obstetrics and gynecology  Dec 1989 
 - 873-7 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0029-7844 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clinical Trials as Topic<br/>Costs and Cost Analysis<br/>Female<br/>Gestational Age<br/>Humans<br/>Obstetric Labor, Premature--prevention & control<br/>Parity<br/>Pregnancy<br/>Program Evaluation--economics<br/>Recurrence