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S.
s (1)
s (2)
s (3)
s.
s.a. (1)
s.a. (2)
s.a.e.
S-A node
S. Afr.
S.B.
S band
S-bend
S.C.
s/c
s.c.i.
S corporation
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S-A node
S-A node


abbr 
Definition:
 
anatomy sinoatrial node
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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