TY - JOUR A1 - Kysely, J. A1 - Pokorna, L. A1 - Kyncl, J. A1 - Kriz, B. T1 - Excess cardiovascular mortality associated with cold spells in the Czech Republic Y1 - 2009 DO - 10.1186/1471-2458-9-19 JF - BMC Public Health VL - 9 IS - 1 ER -