-
1
-
-
0026526675
-
Pregnancy rates and serum progesterone levels of polar bears in western Hudson Bay
-
DEROCHER A.E., I. STIRLING, AND D. ANDRIASHEK. 1992. Pregnancy rates and serum progesterone levels of polar bears in western Hudson Bay. Can. J. Zool. 70:561-566.
-
(1992)
Can. J. Zool.
, vol.70
, pp. 561-566
-
-
Derocher, A.E.1
Stirling, I.2
Andriashek, D.3
-
2
-
-
0001925279
-
Part I. Breeding biology of the black bear
-
A.W. Erickson, J.E. Nellor, and G.A. Petrides, eds., . Mich. State Univ. Agric. Exp. Stn. Res. Bull 4, 102pp
-
ERICKSON, A.W., AND J.E. NELLOR. 1964. Part I. Breeding biology of the black bear. Pages 5-45 in A.W. Erickson, J.E. Nellor, and G.A. Petrides, eds. The black bear in Michigan. Mich. State Univ. Agric. Exp. Stn. Res. Bull. 4. 102pp.
-
(1964)
The Black Bear in Michigan
, pp. 5-45
-
-
Erickson, A.W.1
Nellor, J.E.2
-
3
-
-
0020596777
-
Plasma progesterone concentrations in pregnant and nonpregnant black bears (Ursus americamis)
-
FORESMAN, K.R., AND J.C. DANIEL, JR. 1983. Plasma progesterone concentrations in pregnant and nonpregnant black bears (Ursus americamis). J. Reprod. Fertil. 68:235-239.
-
(1983)
J. Reprod. Fertil
, vol.68
, pp. 235-239
-
-
Foresman, K.R.1
Daniel Jr., J.C.2
-
4
-
-
0000234969
-
Endocrine and electrophoretic profiles during pregnancy and nonpregnancy in captive female black bears
-
HELLGREN, E.C., M.R. VAUGHAN, F.C. GWAZDAUSKAS, B. WILLIAMS, P.F. SCANLON, AND R.L. KIRKPATRICK. 1990. Endocrine and electrophoretic profiles during pregnancy and nonpregnancy in captive female black bears. Can. J. Zool. 69:892-898.
-
(1990)
Can. J. Zool.
, vol.69
, pp. 892-898
-
-
Hellgren, E.C.1
Vaughan, M.R.2
Gwazdauskas, F.C.3
Williams, B.4
Scanlon, P.F.5
Kirkpatrick, R.L.6
-
6
-
-
0024024126
-
Annual changes in serum sex steroids in male and female black (Ursus americamis) and polar (Ursus maritimus) bears
-
PALMER, S.S., R.A. NELSON, M.A. RAMSEY, I. STIRLING, AND J.M. BAIIR. 1988. Annual changes in serum sex steroids in male and female black (Ursus americamis) and polar (Ursus maritimus) bears. Biol. Reprod. 38:1044-1050.
-
(1988)
Biol. Reprod.
, vol.38
, pp. 1044-1050
-
-
Palmer, S.S.1
Nelson, R.A.2
Ramsey, M.A.3
Stirling, I.4
Baiir, J.M.5
-
7
-
-
0343364689
-
Cycles and seasons
-
C.R. Austin and R.V. Short, eds., Cambridge Univ. Press, New York, N.Y.
-
SADLEIR, R.M.F.S. 1972. Cycles and seasons. Pages 85-102 in C.R. Austin and R.V. Short, eds. Reproduction in Mammals. I: Germ cells and fertilization. Cambridge Univ. Press, New York, N.Y.
-
(1972)
Reproduction in Mammals I: Germ cells and Fertilization
, pp. 85-102
-
-
Sadleir, R.M.F.S.1
-
8
-
-
0000620485
-
Changes in serum progesterone levels and growth of fetuses in Hokkaido brown bears
-
TSUBOTA T., Y. TAKAHASHI, AND H. KANAGAWA. 1987. Changes in serum progesterone levels and growth of fetuses in Hokkaido brown bears. Int. Conf. Bear Res. and Manage. 7:355-358.
-
(1987)
Int. Conf. Bear Res. and Manage.
, vol.7
, pp. 355-358
-
-
Tsubota, T.1
Takahashi, Y.2
Kanagawa, H.3
-
9
-
-
0001965456
-
Delayed implantation in the Ursidae, with particular reference to the black bear (Ursus americamis Pallas)
-
A.C. Enders, ed., . Univ. Chicago Press, Chicago, Ill
-
WLMSATT, W.A. 1963. Delayed implantation in the Ursidae, with particular reference to the black bear (Ursus americamis Pallas). Pages 49-76 in A.C. Enders, ed. Delayed implantation. Univ. Chicago Press, Chicago, Ill.
-
(1963)
Delayed Implantation
, pp. 49-76
-
-
Wlmsatt, W.A.1
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