00585nam a2200217 4500 7475 7475 NAJ 3487 20260128043238.0 210622b xxu||||| |||| 00| 0 eng d NAJ WP 630 K19 1986 Kass-Annese,Barbara. 10369 The fertility awareness workbook New york: Thorns Publishing Group, 1986. 117p.:ill. Natural family planning 10370 Fertility, Human 10371 Birth control 4651 Contraception 10231 NLM BK 0 0 NLM 0 0 NAJ NAJ DISPLAY 2001-12-20 0 WP 630 K19 1986 3487 2021-06-22 00:00:00 2021-06-22 BK