ELECTRONIC	h   t   t   p   c o l o n   s l a s h   s l a s h   w   w   w dot a m b s dot e   d   u   s l a s h   l j o h n s   s l a s h   h   a n d   m   c dot h t m b a r r	http://www.ambs.edu/ljohns/h&mc.htmbarr	1