info:oai:pure.iiasa.ac.at:13387info:ofi/fmt:xml:xsd:journalYooS.H.Yoo, S.H.HayfordS.R.Hayford, S.R.AgadjanianV.Agadjanian, V.20160167-5923Old habits die hard? Lingering son preference in an era of normalizing sex ratios at birth in South KoreaPopulation Research and Policy Review1-30article