Schrage, R <br/><br/>
[A pregnancy calendar as a computer program].  [electronic resource] 

 -  Biomedizinische Technik. Biomedical engineering  1989 
 - 237 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0013-5585 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Embryonic and Fetal Development<br/>Female<br/>Gestational Age<br/>Humans<br/>Pregnancy--physiology<br/>Software