Johnson, William G <br/><br/>
New 19 bp deletion polymorphism in intron-1 of dihydrofolate reductase (DHFR): a risk factor for spina bifida acting in mothers during pregnancy?  [electronic resource] 

 -  American journal of medical genetics. Part A  Feb 2004 
 - 339-45 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>1552-4825 
<br/><br/><label>Standard No.: </label>10.1002/ajmg.a.20505  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Base Sequence<br/>Female<br/>Genetic Predisposition to Disease<br/>Homozygote<br/>Humans<br/>Introns<br/>Male<br/>Molecular Sequence Data<br/>Polymorphism, Genetic<br/>Pregnancy<br/>Sequence Deletion<br/>Spinal Dysraphism--enzymology<br/>Tetrahydrofolate Dehydrogenase--genetics