Steven K. Spencer

A Clinical Trial of Beta Carotene to Prevent Basal-Cell and Squamous-Cell Cancers of the Skin

E. Robert Greenberg, John A. Baron, Thérèse A. Stukel et al. · New England Journal of Medicine · 1990 · 486 citations · Full text

Medicine, Dermatology, Oncology +17

Increase in incidence rates of basal cell and squamous cell skin cancer in New Hampshire, USA

Margaret R. Karagas, E. Robert Greenberg, Steven K. Spencer et al. · International Journal of Cancer · 1999 · 317 citations · Full text

Medicine, Dermatology, Pathology +13

Human Papillomavirus Infection and Incidence of Squamous Cell and Basal Cell Carcinomas of the Skin

Margaret R. Karagas, Heather H. Nelson, Peter Sehr et al. · JNCI Journal of the National Cancer Institute · 2006 · 260 citations · Full text

Medicine, Dermatology, Oncology +17

Progression of Geographic Atrophy in Age-related Macular Degeneration

Tiarnán D L Keenan, Elvira Agrón, Amitha Domalpally et al. · Ophthalmology · 2018 · 211 citations

Medicine, Ophthalmology, Vision Science +14

Skin Cancer Risk in Relation to Toenail Arsenic Concentrations in a US Population-based Case-Control Study

Margaret R. Karagas, Thérèse A. Stukel, J. Steven Morris et al. · American Journal of Epidemiology · 2001 · 173 citations · Full text

Medicine, Dermatology, Toxicology +17