1. A NEW FAMILY OF ANTIBIOTICS: THE DEMETHYLTETRACYCLINES
2. AN AUTOMATED CHEMICAL ASSAY METHOD FOR THE DETERMINATION OF 6-DEMETHYLCHLORTETRACYCLINE
3. Halwer, M.Lederle Laboratories Division, American Cyanamid Co., private communication.
4. Chemistry of antibiotics of clinical importance
5. Halwer, M., Levant, R. E., and McLaughlin, T. E., Lederle Laboratories Division, American Cyanamid Co., private communication.