共 12 条
[1]
BRIDGES CHARLES H., 1958, JOUR AMER VET MED ASSOC, V132, P79
[4]
KAHRS RF, 1970, J AM VET MED ASSOC, V156, P1443
[5]
OLMSTED ELIZABETH, 1966, INVEST OPHTHALMOE, V5, P413
[6]
RENNER O, 1885, ARCH TIERHEILK, V11, P308
[7]
SACKMANNRINK M, 1953, THESIS U ZURICH
[8]
SOROKOLET V. N., 1957, ARKHIV PATOL, V19, P36
[9]
URMAN HK, 1964, CORNELL VET, V54, P229
[10]
WARD GM, 1969, CORNELL VET, V59, P570