Luque-Fernandez, MA; Ananth, CV; Sanchez, SE; Qiu, CF; Hernandez-Diaz, S; Valdimarsdottir, U; Gelaye, B; Williams, MA; (2014) Absence of circadian rhythms of preterm premature rupture of membranes and preterm placental abruption. Annals of epidemiology, 24 (12). pp. 882-7. ISSN 1047-2797 DOI: https://doi.org/10.1016/j.annepidem.2014.10.002 Full text not available from this repository.

Mwansa-Kambafwile, J; Cousens, S; Hansen, T; Lawn, JE; (2010) Antenatal steroids in preterm labour for the prevention of neonatal deaths due to complications of preterm birth. International journal of epidemiology, 39. pp. 122-133. ISSN 0300-5771 DOI: https://doi.org/10.1093/ije/dyq029

Lumley, J; Chamberlain, C; Dowswell, T; Oliver, S; Oakley, L; Watson, L; (2009) Interventions for promoting smoking cessation during pregnancy. The Cochrane database of systematic reviews (3). ISSN 1469-493X DOI: https://doi.org/10.1002/14651858.CD001055.pub3

Lumley, J; Oliver, SS; Waters, E; Oakley, L; (2004) Interventions for promoting smoking cessation during pregnancy.[update of Cochrane Database Syst Rev. 2000;(2):CD001055; PMID: 10796228]. The Cochrane database of systematic reviews (4). CD001055. ISSN 1469-493X DOI: https://doi.org/10.1002/14651858.CD001055.pub2

Coley, JL; Msamanga, GI; Fawzi, MC; Kaaya, S; Hertzmark, E; Kapiga, S; Spiegelman, D; Hunter, D; Fawzi, WW; (2001) The association between maternal HIV-1 infection and pregnancy outcomes in Dar es Salaam, Tanzania. BJOG, 108 (11). pp. 1125-33. ISSN 1470-0328 DOI: https://doi.org/10.1016/S0306-5456(01)00269-8 Full text not available from this repository.