Ko, Patrick; Young Yoon 23 August 2007 | Evaluation of the menstrual cycle and timing of ovulation |
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The Origin of Table Manners | period n noun: Refers to person, place, thing, quality, etc |
period n as adj noun as adjective: Describes another noun--for example, " boat race," " dogfood.
13Gosline, Anna December 7, 2007 | early period n noun: Refers to person, place, thing, quality, etc |
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The mobile therefore possesses indisputable qualities renowned on a worldwide level | "The biology of menstruation in Homo sapiens: total lifetime menses, fecundity, and nonsynchrony in a natural fertility population" |