1. 
   Erb point
   a point 2 to 3 cm above the clavicle and beyond the posterior border of the sternomastoid, at the level of the transverse process of the sixth cervical vertebra; stimulation here contracts various arm muscles.
   Found op http://www.encyclo.co.uk/local/21001
   
   
2. 
   Erb`s point
   [neurology] In neurology, Erb`s point or the punctum nervosum is a site at the lateral root of the brachial plexus located 2–3 cm above the clavicle. It is named for Wilhelm Heinrich Erb. Taken together, there are six types of nerves that meet at this point. ==Convergence of nerves== Erb`s...
   Found op http://en.wikipedia.org/wiki/Erb`s_point_(neurology)
   
   
3. 
   Erb`s point
   [cardiology] In cardiology, Erb`s point refers to the third intercostal space on the left sternal border where S2 is best auscultated. It is essentially the same location as what is referred to with left lower sternal border (LLSB). Some sources include the fourth left interspace. ...
   Found op http://en.wikipedia.org/wiki/Erb`s_point_(cardiology)
   
   

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