TY - JOUR PY - 2001// TI - On the need for the rare disease assumption in some case-control studies JO - Injury prevention A1 - Cummings, P. A1 - Koepsell, Thomas D. SP - 254 EP - 254 VL - 7 IS - 3 N2 - Abstract unavailable. LA - en SN - 1353-8047 UR - http://dx.doi.org/ ID - ref1 ER -