000 00530nam a22001577a 4500
008 090619t xxu||||| |||| 00| 0 eng d
022 _a00243639
100 _aFEHRING, RIchard J
245 _aEfficacy and efficiency in natural family planning services
260 _aLancaster
_bCatholic medical association
_c2009
300 _aVOL.76, No.1 (pp.9-24)
440 _aThe Linacre quarterly
651 _2Natural family planning
942 _2lcc
_cART
999 _c111251
_d111251