Monteith RS, Anderson JE, Pineda MA, Santiso R, Oberle M. Contraceptive use and fertility in Guatemala. Stud Fam Plann. 1985 Sep-Oct;16(5):279-88.
Monteith RS, Anderson JE, Pineda MA, Santiso R, Oberle M. Contraceptive use and fertility in Guatemala. Stud Fam Plann. 1985 Sep-Oct;16(5):279-88.