Econ Bot 18 2 122 7 Rubioa et al Aqueous and hydroalcoholic extracts of Black Maca Lepidium meyenii improve scopolamine induced memory impairment in mice lasix classification The only evidence available that the LUF syndrome is a cause of infertility, is the finding that the syndrome occurs statistically more frequently in women with unexplained infertility than in a control group of women