共 8 条
[6]
Reducing maternal mortality in the developing world: sector-wide approaches may be the key
[J].
BRITISH MEDICAL JOURNAL,
2001, 322 (7291)
:917-920
[7]
Preventable Hospitalization and Avoidable Maternity Outcomes.[J].Sarah B. Laditka;Jocelyn M. Johnston.Journal of Health & Social Policy.1999, 2
[8]
质的研究方法与社会科学研究.[M].陈向明著;.教育科学出版社.2000,