Impact of the use and efficacy of long lasting insecticidal net on malaria infection during the first trimester of pregnancy - a pre-conceptional cohort study in southern Benin - Hounkonnou, Cornélia; Djènontin, Armel; Egbinola, Seun; Houngbegnon, Parfait; Bouraima, Aziz; Soares, Christophe; Fievet, Nadine; Accrombessi, Manfred; Yovo, Emmanuel; Briand, Valérie; Cottrell, Gilles (BMC Public Health, 2018)