Dionne, C E <br/><br/>
Seasonal variation of twin births in Washington State.  [electronic resource] 

 -  Acta geneticae medicae et gemellologiae  1993 
 - 141-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0001-5660 
<br/><br/><label>Standard No.: </label>10.1017/s0001566000002038  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Birth Certificates<br/>Birth Rate<br/>Case-Control Studies<br/>Female<br/>Gestational Age<br/>Gonadotropins, Pituitary--metabolism<br/>Humans<br/>Infant, Newborn<br/>Male<br/>Melatonin--metabolism<br/>Middle Aged<br/>Models, Biological<br/>Odds Ratio<br/>Parity<br/>Pregnancy<br/>Pregnancy, Multiple--statistics & numerical data<br/>Seasons<br/>Sunlight<br/>Superovulation--radiation effects<br/>Twins--statistics & numerical data<br/>Twins, Dizygotic--statistics & numerical data<br/>Twins, Monozygotic--statistics & numerical data<br/>Washington--epidemiology