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Brick, Peggy. Older, Wiser, Sexually Smarter. The Center for Family Life Education, Planned Parenthood of Greater Northern New Jersey, Inc. [2014-03-15]. (原始内容存档于2014-03-18).
Brick, Peggy. Older, Wiser, Sexually Smarter. The Center for Family Life Education, Planned Parenthood of Greater Northern New Jersey, Inc. [2014-03-15]. (原始内容存档于2014-03-18).