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. 1987 Apr;102(4):359-70.

[Frequency of coitus and calculation of the number of months of protection by couple in 8 Latin American countries]

[Article in Spanish]
M A Pineda, J D Araya, J T Bertrand, M Suazo, L R Bixby, L I Cuervo, E E Espino, C Infante, A R Grijalva, R L Liriano
  • PMID: 2954564

[Frequency of coitus and calculation of the number of months of protection by couple in 8 Latin American countries]

[Article in Spanish]
M A Pineda et al. Bol Oficina Sanit Panam. 1987 Apr.
No abstract available

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