National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine health policy pregnancy research support non-u.s. gov't female randomized controlled trials as topic drugs drug developing countries andrew d oxman evidence-based medicine* legislation pmid:16262902 pmc1298297 doi:10.1186/1472-6963-5-68 morten aaserud simon lewin anticonvulsants / supply & distribution anticonvulsants / therapeutic use* essential / supply & distribution magnesium sulfate / supply & distribution magnesium sulfate / therapeutic use* maternal mortality obstetrics / standards* organizational case studies pre-eclampsia / drug therapy pre-eclampsia / mortality pre-eclampsia / prevention & control* prenatal care / standards*