3.Cabezon C, Vigil P, Rojas I, Leiva ME, Riquelme R, Aranda W, Garcia C.Adolescent pregnancy prevention: An abstinence-centered randomized controlled intervention in a Chilean public high school.
4.The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties (strain) and 4 staminiferous plant type single clone.