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1. Journal of Organometallic Chemistry
Volume 85, Issue 2, 4 February 1975, Pages C23-C25
Eve I. Edwards, Roger Epton and George Marr
Organometallic derivatives of penicillins and cephalosporins a new class of semi-synthetic antibiotics
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http://dx.doi.org/10.1016/S0022-328X(00)80708-1Volume 107, Issue 3, 9 March 1976, Pages 351-357
Eve I. Edwards, Roger Epton and George Marr
A new class of semi-synthetic antibiotics: ferrocenyl-penicillins and -cephalosporins
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http://dx.doi.org/10.1016/S0022-328X(00)91527-4