Setting research priorities for preconception care in low- and middle-income countries: aiming to reduce maternal and child mortality and morbidity. - Dean S; Rudan I; Althabe F; Webb Girard A; Howson C; Langer A; Lawn J; Reeve ME; Teela KC; Toledano M; Venkatraman CM; Belizan JM; et al. (PLoS medicine, 2013)