Stefan Ma

Global, regional, and national comparative risk assessment of 79 behavioural, environmental and occupational, and metabolic risks or clusters of risks in 188 countries, 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013

Mohammad H. Forouzanfar, Lily Alexander, H Ross Anderson et al. · The Lancet · 2015 · 2.7K citations · Full text

Public Health, Health Sciences, Population Health Sciences +17

Ambient Air Pollution Exposure Estimation for the Global Burden of Disease 2013

Michael Bräuer, Greg Freedman, Joseph Frostad et al. · Environmental Science & Technology · 2015 · 1.2K citations · Full text

Public Health, Environmental Sciences, Population Health Sciences +17

Cardiorespiratory and all-cause mortality after restrictions on sulphur content of fuel in Hong Kong: an intervention study

Anthony J. Hedley, Chit-Ming Wong, Stefan Ma et al. · The Lancet · 2002 · 304 citations

Public Health, Environmental Sciences, Air Pollution +8

A tale of two cities: effects of air pollution on hospital admissions in Hong Kong and London compared.

Chit-Ming Wong, Richard Atkinson, H Ross Anderson et al. · Environmental Health Perspectives · 2002 · 194 citations · Full text

Public Health, Urban Health, Air Pollution +16

Effect of Air Pollution on Daily Mortality in Hong Kong

Chit-Ming Wong, Stefan Ma, Anthony J. Hedley · Environmental Health Perspectives · 2001 · 21 citations · Full text

Public Health, Environmental Sciences, Air Pollution +16