M. A. Williams

Age‐adjusted ultrasound risk assessment for fetal Down's syndrome during the second trimester: description of the method and analysis of 142 cases

David A. Nyberg, D. A. Luthy, Robert G. Resta et al. · Ultrasound in Obstetrics and Gynecology · 1998 · 192 citations · Full text

Medicine, Maternal Health, Obstetrics +14

Correlates of recreational physical activity in early pregnancy

Yi Ning, M. A. Williams, Jennifer C. Dempsey et al. · The Journal of Maternal-Fetal & Neonatal Medicine · 2003 · 145 citations

Medicine, Maternal Health, Obstetrics +14

Prevalence of antibodies to Neospora Caninum in dogs

M.A Cheadle, David S. Lindsay, Stacey L Rowe et al. · International Journal for Parasitology · 1999 · 100 citations

Veterinary Medicine, Infectious Diseases, Veterinary Parasitology +11

Headaches and Migraines Are Associated With an Increased Risk of Preeclampsia in Peruvian Women

Sixto E. Sánchez, C. Qiu, M. A. Williams et al. · American Journal of Hypertension · 2008 · 49 citations · Full text

Public Health, Maternal Health, Obstetrics +17

A tracheoscopic technique for obtaining uncontaminated lower airway secretions for bacterial culture in the horse

Christopher M. Brown, R. D. Walker, M. A. Williams et al. · Equine Veterinary Journal · 1990 · 49 citations

Veterinary Medicine, Veterinary Microbiology, Diagnostic Microbiology +13