@misc{indiciae1476ae1a8d64, title = {Routine patch testing with ether extract of Primula obconica.}, author = {G Agrup and S Fregert and N Hjorth and P Ovrum}, year = {1968}, doi = {10.1111/j.1365-2133.1968.tb12336.x}, url = {https://pubmed.ncbi.nlm.nih.gov/5675985/}, note = {Source identifier: 5675985} }