Comment on

• A new method for active surveillance of adverse events from diphtheria/tetanus/pertussis and measles/mumps/rubella vaccines.

  Farrington P, Pugh S, Colville A, Flower A, Nash J, Morgan-Capner P, Rush M, Miller E. Farrington P, et al. Lancet. 1995 Mar 4;345(8949):567-9. doi: 10.1016/s0140-6736(95)90471-9. Lancet. 1995. PMID: 7619183
• Risk of deep vein thrombosis and pulmonary embolism after acute infection in a community setting.

  Smeeth L, Cook C, Thomas S, Hall AJ, Hubbard R, Vallance P. Smeeth L, et al. Lancet. 2006 Apr 1;367(9516):1075-1079. doi: 10.1016/S0140-6736(06)68474-2. Lancet. 2006. PMID: 16581406