Combined oral contraceptives, venous thromboembolism, and the problem of interpreting large but incomplete datasetsJürgen Dinger, Samuel Shapiro29 November 2011
Diagnosis and management of ectopic pregnancyVanitha N Sivalingam, W Colin Duncan, Emma Kirk, Lucy A Shephard, Andrew W Horne4 July 2011
Comparative risks of venous thromboembolism among users of oral contraceptives containing drospirenone and levonorgestrelKlaas Heinemann, Lothar A J Heinemann9 June 2011
Does hormone replacement therapy cause breast cancer? An application of causal principles to three studiesSamuel Shapiro, Richard D T Farmer, Helen Seaman, John C Stevenson, Alfred O Mueck31 March 2011