Key points are not available for this paper at this time.
Roger W. Rochat, Charles W. Warren, Jack C. Smith, Susan E. Holck, Jay S. Friedman, Family Planning Practices among Anglo and Hispanic Women In U.S. Counties Bordering Mexico, Family Planning Perspectives, Vol. 13, No. 4 (Jul. - Aug., 1981), pp. 176-180
Rochat et al. (Wed,) studied this question.