Robert H. Poppenga
发表
Robert H. Poppenga,
Birgit Puschner,
2008
.
Robert H. Poppenga,
R. Poppenga,
W. Braselton,
1992,
Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.
Robert H. Poppenga,
M. Filigenzi,
R. Poppenga,
2011,
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.