Flynn, A M <br/><br/>
Natural methods of family planning.  [electronic resource] 

 -  Lancet (London, England)  Aug 1976 
 - 418 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0140-6736 
<br/><br/><label>Standard No.: </label>10.1016/s0140-6736(76)92432-6  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Body Temperature<br/>Cervix Mucus--analysis<br/>Family Planning Services<br/>Female<br/>Health Education<br/>Humans<br/>Methods