Ederer, F <br/><br/>
The randomized controlled clinical trial. National Eye Institute workshop for ophthalmologists. Foreword.  [electronic resource] 

 -  American journal of ophthalmology  May 1975 
 - 752 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9394 
<br/><br/><label>Standard No.: </label>10.1016/0002-9394(75)90731-x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Ophthalmology<br/>Research Design