Fig. 1
From: Risk of ischemic and hemorrhagic stroke in relation to cold spells in four seasons
Flow chart of the selection process of eligible cases in both the WHO MONICA study and the current study
Fig. 1 | BMC Public Health
From: Risk of ischemic and hemorrhagic stroke in relation to cold spells in four seasons
Flow chart of the selection process of eligible cases in both the WHO MONICA study and the current study