0120-25960120-2596S0120-2596201700020009710.17533/udea.le.n87a04ColombiaColombiaColombia001220170012201787971232011651137-5719988833450-771960209-4019738122S279-88201124375-4061978411105-3219796933318-2820042003342269-761956433211-35197563354-632008211183-11020092009251189-1151960241-60200331771179-9919953022229-55199622^sSupplement: Fertility in the United States: New Patterns, New Theories^sSupplement: Fertility in the United States: New Patterns, New TheoriesSupplement: Fertility in the United States: New Patterns, New Theories223-5720025722301-301990322125-4619845244939-61201023807-462010471197-12420113722267-30620129/20129/201219947622255-66