scholarly journals The use of ultrasonographic measurement of the heart size and fetal heart rate variation for gestational age determination in local Bulgarian goats

Author(s):  
Manol Karadaev ◽  
Ivan Fasulkov ◽  
Nasko Vasilev ◽  
Stefka Atanasova
1991 ◽  
Vol 165 (3) ◽  
pp. 618-624 ◽  
Author(s):  
G.S. Dawes ◽  
S.K. Rosevear ◽  
L.C. Pello ◽  
M. Moulden ◽  
C.W.G. Redman

Author(s):  
G. S. Dawes ◽  
V. Serra‐Serra ◽  
M. Moulden ◽  
C. W. G. Redman

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