Population-based trends in pregnancy hypertension and pre-eclampsia: an international comparative study
Christine L Roberts, Jane B Ford, Charles S Algert, Sussie Antonsen, James Chalmers, Sven Cnattingius, Manjusha Gokhale, Milton Kotelchuck, Kari K Melve, Amanda Langridge, Carole Morris, Jonathan M Morris, Natasha Nassar, Jane E Norman, John Norrie, Henrik Toft Sørensen, Robin Walker, Christopher J Weir
BMJ Open Jan 2011, 1 (1) e000101; DOI: 10.1136/bmjopen-2011-000101