Clifford, C A <br/><br/>
A genetic and environmental analysis of obsessionality in normal twins.  [electronic resource] 

 -  Progress in clinical and biological research  1981 
 - 163-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0361-7742 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Aged<br/>Compulsive Behavior--genetics<br/>Female<br/>Genetics, Behavioral<br/>Humans<br/>Male<br/>Middle Aged<br/>Models, Genetic<br/>Obsessive Behavior--genetics<br/>Pregnancy<br/>Social Environment<br/>Statistics as Topic<br/>Twins--psychology<br/>Twins, Dizygotic--psychology<br/>Twins, Monozygotic--psychology