Douglas Ball

Medicine prices, availability, and affordability in 36 developing and middle-income countries: a secondary analysis

Alexandra Cameron, Margaret Ewen, Dennis Ross‐Degnan et al. · The Lancet · 2008 · 943 citations

Public Affairs, Economics, Health Policy +16

The Impact of Passenger Car Motor Oil Phosphorus Levels on Automotive Emissions Control Systems

Scott Anthony Culley, Thomas F. McDonnell, Douglas Ball et al. · SAE technical papers on CD-ROM/SAE technical paper series · 1996 · 39 citations

Natural Sciences, Environmental Engineering, Environmental Sciences +12

Application of Accelerated Rapid Aging Test (RAT ) Schedules with Poisons: The Effects of Oil Derived Poisons, Thermal Degradation and Catalyst Volume on FTP Emissions

Douglas Ball, Adil G. Mohammed, William A. Schmidt · SAE technical papers on CD-ROM/SAE technical paper series · 1997 · 35 citations

Pharmacy, Chemical Engineering, Toxicology +16

Catalyst Considerations for Diesel Converters

Douglas Ball, Robert G. Stack · SAE technical papers on CD-ROM/SAE technical paper series · 1990 · 33 citations

Natural Sciences, Chemical Engineering, Environmental Engineering +17

A Warm-up and Underfloor Converter Parametric Study

Douglas Ball · SAE technical papers on CD-ROM/SAE technical paper series · 1993 · 30 citations

Engineering, Mechanical Engineering, Thermal Analysis +2