Bourne, Tom <br/><br/>
Authors' reply to Fountain and colleagues.  [electronic resource] 

 -  BMJ (Clinical research ed.)  Nov 2015 
 - h5852 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>1756-1833 
<br/><br/><label>Standard No.: </label>10.1136/bmj.h5852  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abortion, Spontaneous--diagnostic imaging<br/>Female<br/>Gestational Sac--diagnostic imaging<br/>Humans<br/>Pregnancy<br/>Ultrasonography, Prenatal