Botto, L D <br/><br/>
Periconceptional multivitamin use and the occurrence of conotruncal heart defects: results from a population-based, case-control study.  [electronic resource] 

 -  Pediatrics  Nov 1996 
 - 911-7 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial 
<br/><br/><label>ISSN: </label>0031-4005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Case-Control Studies<br/>Child<br/>Female<br/>Fertilization<br/>Heart Defects, Congenital--epidemiology<br/>Humans<br/>Infant, Newborn<br/>Pregnancy<br/>Tetralogy of Fallot--prevention & control<br/>Transposition of Great Vessels--prevention & control<br/>Truncus Arteriosus, Persistent--prevention & control<br/>Vitamins--therapeutic use