On twitter this morning: on a site Compound Interest
A picture chart (whatever they call them now) on what's in cold medicine and how does it work by Andy Brunning
You can see the picture on..... click this:
https://goo.gl/QmrMA9
http://cen.acs.org/articles/93/i45/Periodic-Graphics-Chemistry-Cold-Medicines.html
I wish you health
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