In the article on tetracyclines (29 September) page 77, line 6, we referred to ‘divalent cations such as calcium, aluminium and magnesium. . . .’ In fact of course aluminium is trivalent. The sense of the statement is otherwise unaffected.
Statistics from Altmetric.com
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.