Walter Cullen

Research confuses me: what is the difference between case-control and cohort studies in quantitative research?

S M F Higgins, A P Macken, Walter Cullen et al. · PubMed · 2013 · 4.8K citations

Mental health in the COVID-19 pandemic

Walter Cullen, G. Mitu Gulati, Brendan D. Kelly · QJM · 2020 · 1.3K citations · Full text

Human urinary arsenic excretion after one-time ingestion of seaweed, crab, and shrimp

X. Chris Le, Walter Cullen, Kenneth J. Reimer · Clinical Chemistry · 1994 · 218 citations · Full text

The reaction of methylarsenicals with thiols: Some biological implications

Walter Cullen, B C McBride, J. Reglinski · Journal of Inorganic Biochemistry · 1984 · 213 citations

Biological Implications, Biochemistry, Natural Sciences +5

Barriers to and Facilitators of Hepatitis C Testing, Management, and Treatment Among Current and Former Injecting Drug Users: A Qualitative Exploration

Davina Swan, Jean Long, Olívia Carr et al. · AIDS Patient Care and STDs · 2010 · 189 citations · Full text

Substance Use, Drug Treatment, Primary Care +20