. "114417825"@en-us . "0"^^ . . "0"^^ . "the time between occurrences of a repeating event; \"some women do not control the spacing of their children\""@en-us . . . "spacing"^^ . . "spacing"@en-us . . "110978021"@en-us . . . "115282534"^^ . . . "15282534-n"^^ .