J. Held
发表
T. Wolfle,
J. Held,
J. Held,
1994,
American journal of primatology.
M. Pappaioanou,
D. Buss,
M. Blackwell,
2003,
Journal of veterinary medical education.
S. L. Hendricks,
G. Gorman,
S. Hendricks,
1962,
Public health reports.
W. Collins,
P. Contacos,
J. Held,
1969,
The Journal of parasitology.
S. L. Hendricks,
I. H. Borts,
W. Hausler,
1962,
American journal of public health and the nation's health.
W. Collins,
P. Contacos,
J. Held,
1967,
The Journal of parasitology.
J. Held,
1981
.
W. Collins,
P. Contacos,
J. Held,
1966,
The Journal of parasitology.
P. Contacos,
J. Held,
J. Jumper,
1967,
The Journal of parasitology.
P. Contacos,
J. Held,
1967,
The Journal of parasitology.
J. Held,
1983,
Annals of the New York Academy of Sciences.
W. Collins,
P. Contacos,
J. Held,
1968,
Journal of Parasitology.
A. Belotto,
J. Held,
D. Fernandes,
2007,
Veterinaria italiana.