Parazzini, F Coffee and alcohol intake, smoking and risk of multiple pregnancy. [electronic resource] - Human reproduction (Oxford, England) Oct 1996 - 2306-9 p. digital Publication Type: Journal Article ISSN: 0268-1161 Standard No.: 10.1093/oxfordjournals.humrep.a019094 doi Subjects--Topical Terms: AdultAlcohol DrinkingCase-Control StudiesCoffeeFemaleHumansPregnancyPregnancy, MultipleRisk FactorsSmoking