Sturfelt, G <br/><br/>
Homozygous C4A deficiency in systemic lupus erythematosus: analysis of patients from a defined population.  [electronic resource] 

 -  Clinical genetics  Dec 1990 
 - 427-33 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0009-9163 
<br/><br/><label>Standard No.: </label>10.1111/j.1399-0004.1990.tb03608.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Antibodies, Antinuclear--analysis<br/>Complement Activation--genetics<br/>Complement C4a--deficiency<br/>Complement C4b--genetics<br/>Female<br/>Homozygote<br/>Humans<br/>Lupus Erythematosus, Systemic--genetics<br/>Male<br/>Middle Aged<br/>Phenotype<br/>Prospective Studies<br/>Risk Factors