http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an international journal of obstetrics and gynaecology
British journal of obstetrics and gynaecology
Royal College of Obstetricians and Gynaecologists (Great Britain)
Issued by: the Royal College of Obstetricans and Gynaecologists.
British journal of obstetrics and gynaecology (Online)