Fernandes, M <br/><br/>
["Nonmophasic" method a variation of the sequential method].  [electronic resource] 

 -  Revista brasileira de medicina  Mar 1969 
 - 185-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0034-7264 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cervix Mucus--drug effects<br/>Contraceptive Agents--administration & dosage<br/>Female<br/>Humans<br/>Libido<br/>Menstruation Disturbances--chemically induced<br/>Time Factors