R. J. Hopkins
发表
R. J. Hopkins,
T. R. Walters,
M. E. Scoville,
1951,
Transactions of the American Institute of Electrical Engineers.
R. J. Hopkins,
W. Bryan,
A. K. Hertrick,
1984
.
R. J. Hopkins,
S. Bolton,
L. Altman,
1990,
American journal of hospital pharmacy.