Articles: PubMed:Population expanding with the phalanx model and lineages split by environmental heterogeneity: a case study of Primula obconica in subtropical China. PubMed:Synthesis and antitumour activity of the Primin (2-methoxy-6-n-pentyl-1,4-benzoquinone) and analogues. PubMed:Primin in the European standard patch test series for 20 years. PubMed:Miconidin and miconidin methyl ether from Primula obconica Hance: new allergens in an old sensitizer. PubMed:Primula allergic dermatitis simulating occupational contact dermatitis induced by metals, oils and greases. PubMed:Contact erythema multiforme from Primula obconica. PubMed:Primula obconica--is contact allergy on the decline? PubMed:Genetic diversity in Primula obconica (Primulaceae) from central and south-west China as revealed by ISSR markers. PubMed:Composition of volatile oil of Primula obconica in Central China. PubMed:Plant regeneration from cell suspension-derived protoplasts of Primula malacoides and Primula obconica. PubMed:Primin-free Primula obconica plants available. PubMed:Direct emission of the allergen primin from intact Primula obconica plants. PubMed:Routine testing for Primula obconica: is it useful in the United States? PubMed:2-methoxy-6-pentyl-1,4-dihydroxybenzene (miconidin) from Primula obconica: a possible allergen? PubMed:Structure-activity relationships in allergic contact dermatitis (I). Studies on the influence of side-chain length with derivatives of primin. PubMed:[Primula eczema--well-known and overlooked]. PubMed:Primula contact dermatitis: an easily overlooked diagnosis. PubMed:Contact dermatitis and Primula obconica. PubMed:Primula obconica sensitivity and testing with primin. PubMed:Contact dermatitis from Primula obconica Hance. PubMed:[Allergic contact dermatitis caused by garlic, Primula, Frullania and Compositae]. PubMed:[Primula dermatitis]. PubMed:Studies on heteromorphic self-incompatibility systems: Physiological aspects of the incompatibility system of Primula obconica. PubMed:Studies on heteromorphic self-incompatibility systems: the cytochemistry and ultrastructure of the tapetum of Primula obconica. PubMed:Alopecia areata regrowth induced by Primula obconica. PubMed:The sensitizing capacity of naturally occurring quinones. Experimental studies in guinea pigs. II. Benzoquinones. PubMed:On the occurrence of the contact allergen primin and other quinoid compounds in species of the family of primulaceae. PubMed:[Contact dermatitis to Primula obconica. Incidence--active sensitization in epicutaneous testing]. PubMed:Sensitization by routine patch testing with ether extract of Primula obconica. PubMed:Routine patch testing with ether extract of Primula obconica. PubMed:Patch testing with synthetic primin in persons sensitive to Primula obconica. PubMed:Aspects of sieve element ultrastructure in Primula obconica. PubMed:PLANT DERMATOSES: SOME CHEMICAL ASPECTS AND RESULTS OF PATCH TESTING WITH EXTRACTS OF PRIMULA OBCONICA. PubMed:Primula obconica, a carrier of tobacco necrosis viruses. PubMed:Acute Blepharitis, due to the Primula Obconica. PubMed:Poisoning by the "Primula Obconica.".