The Macrolides reference article from the English Wikipedia on 24-Apr-2004
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Macrolides

The macrolides are a group of antibiotics whose activity stems from the presence of a macrolide ring and a large lactone ring in their structure. The most commonly-prescribed macrolides are:

In addition, spiramycin is used for treating toxoplasmosis, and roxithromycin is starting to be recognised as useful for treating cryptosporidium.