@misc{9466, author = {Abdul Sultan and J. West and L. Tata and K. Fleming and C. Nelson-Piercy and M. Grainge}, title = {Risk of first venous thromboembolism in pregnant women in hospital: population based cohort study from England}, year = {2013}, journal = {Bmj}, volume = {347}, pages = {f6099}, issn = {0959-8138}, doi = {10.1136/bmj.f6099}, }