An utterly superb manual on the practical "in the field", hands on practitioners guide to the practical aspects of 100+ drugs/medicines. Produced by a Nobel Laureate aka Medicins Sans Frontieres - which should be recommendation enough. And quite *clearly* it deals with engineering !!! :-) "Essential Drugs - Practical Guidelines" manual http://www.msf.org/source/refbooks/msf_docs/en/Essential_drugs/ED1.pdf 3.2 MB 344 page pdf. Russell McMahon -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist