What does POS stand for?
POS stands for "pharyngo-oesophageal sphincter"
How to abbreviate "pharyngo-oesophageal sphincter"?
"pharyngo-oesophageal sphincter" can be abbreviated as POS
What is the meaning of POS abbreviation?
The meaning of POS abbreviation is "pharyngo-oesophageal sphincter"
What does POS mean?
POS as abbreviation means "pharyngo-oesophageal sphincter"
