Prevalence of headache among handheld cellular telephone users in Singapore: a community study.
We carried out a cross-sectional community study in Singapore to determine the prevalence of specific central nervous system (CNS) symptoms among hand-held cellular telephone (HP) users compared to nonusers and to study the association of risk factors and CNS symptoms among HP users. A total of 808...
| Main Authors: | , , |
|---|---|
| Format: | Online |
| Language: | English |
| Published: |
2000
|
| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1240163/ |