Analysis of information sources in references of the Wikipedia article "اسفنجضدبارداری" in Persian language version.
{{cite book}}: |editor6-first= has generic name (help) Table 26–1 = Table 3–2 Percentage of women experiencing an unintended pregnancy during the first year of typical use and the first year of perfect use of contraception, and the percentage continuing use at the end of the first year. United States. بایگانیشده در ۱۵ فوریه ۲۰۱۷ توسط Wayback Machine{{cite book}}: |editor6-first= has generic name (help) Table 26–1 = Table 3–2 Percentage of women experiencing an unintended pregnancy during the first year of typical use and the first year of perfect use of contraception, and the percentage continuing use at the end of the first year. United States. بایگانیشده در ۱۵ فوریه ۲۰۱۷ توسط Wayback Machine{{cite book}}: |editor6-first= has generic name (help) Table 26–1 = Table 3–2 Percentage of women experiencing an unintended pregnancy during the first year of typical use and the first year of perfect use of contraception, and the percentage continuing use at the end of the first year. United States. بایگانیشده در ۱۵ فوریه ۲۰۱۷ توسط Wayback Machine