title: Response to Fukuda et al.
authors.affiliation: School of Public Health, University of California, Berkeley, CA, 94720.
authors.forename: R
authors.initials: R
authors.lastname: Catalano
authors.forename: T
authors.initials: T
authors.lastname: Yorifuji
authors.forename: I
authors.initials: I
authors.lastname: Kawachi
mesh_terms: D000022:Abortion, Spontaneous / Q000453:epidemiology*; D055866:Earthquakes; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D012641:Selection, Genetic; D012744:Sex Ratio