000 | 00550nam a2200145 a 4500 | ||
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005 | 20190520021002.0 | ||
008 | 070912s19uu xx 00 eng d | ||
100 | 1 | 0 | _aMarshall, John, 1922- |
245 | 1 | 0 |
_aThe infertile period : _bprinciples and approach / _cJohn Marshall. |
260 | 0 |
_aBaltimore : _bHelicon Press, _cc1963. |
|
300 | _aviii. 118 p. : ill. | ||
500 | _aIncludes bibliography, appendices and index. | ||
650 |
_aConception _xPrevention |
||
852 | _7OLOPSC | ||
999 |
_c33828 _d33828 |