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2. Sensitization by Routine Patch Testing with Ether Extract of Primula Obconica;Agrup;Br. J. Derm.,1969
3. Value of History and Testing in Suspected Contact Dermatitis;Agrup;Archs Derm.,1970
4. Agrup , G. Fregert , S. Robsman , H.
5. Routine Patch Tests;Hjorth;Trans, a. Rep. St John's Hosp. derm. Soc., Loud.,1963