Verification of human fetal breathing with phased array ultrasound imaging

1978 ◽  
Vol 6 (2) ◽  
pp. 100-102 ◽  
Author(s):  
John D. Stephen ◽  
Jason C. Birnholz
1986 ◽  
Vol 12 (3) ◽  
pp. 229-243 ◽  
Author(s):  
S.W. Smith ◽  
G.E. Trahey ◽  
O.T. von Ramm

Circulation ◽  
1990 ◽  
Vol 81 (2) ◽  
pp. 660-666 ◽  
Author(s):  
S E Nissen ◽  
C L Grines ◽  
J C Gurley ◽  
K Sublett ◽  
D Haynie ◽  
...  

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