作者: K Katsouyanni , G Touloumi , C Spix , J Schwartz , F Balducci
DOI: 10.1136/BMJ.314.7095.1658
关键词:
摘要: … Table 4) shows the pooled estimated effects for sulphur dioxide for days with high or low … or low sulphur dioxide concentrations in western European cities. The effects of sulphur dioxide …