Authors:
Ropstad, E
Johansen, O
King, C
Dahl, E
Albon, SD
Langvatn, RL
Irvine, RJ
Halvorsen, O
Sasser, G
Citation: E. Ropstad et al., Comparison of plasma progesterone, transrectal ultrasound and pregnancy specific proteins (PSPB) used for pregnancy diagnosis in reindeer, ACT VET SC, 40(2), 1999, pp. 151-162