1. UK Dermatology Clinical Trials Network The Bullous Pemphigoid Steroids and Tetracycline Study http://www.blistertrial.co.uk
2. Electronic Medicines Compendium Doxycycline capsules BP 100 mg http://www.medicines.org.uk/emc/medicine/23950
3. Electronic Medicines Compendium Efracea 40 mg modified release hard capsules http://www.medicines.org.uk/emc/medicine/22268
4. Hypoglycaemic effect of oxytetracycline;Miller;BMJ,1966