Author： Simpson J.L. Gray R.H. Perez A. Mena P. Barbato M. Castilla E.E. Kambic R.T. Pardo F. Tagliabue G. Stephenson W.S. Bitto A. Li C. Jennings V.H. Spieler J.M. Queenan J.T.
Publisher： Springer Publishing Company
ISSN： 0267-4874
Source： Advances in Contraception, Vol.13, Iss.2-3, 1997-06, pp. : 201-214
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Pregnancy complications in natural family planning users
By Mena P. Bitto A. Barbato M. Perez A. Gray R.H. Simpson J.L. Queenan J.T. Kambic R.T. Pardo F. Stevenson W. Tagliabue G. Jennings V. Li C.
Advances in Contraception, Vol. 13, Iss. 2-3, 1997-06 ,pp. :
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