@article{Cüneyt Çirak:575, author = {Cüneyt Çirak, Jolita Radusiene, Valdimaras Janulis and Liudas Ivanauskas}, title = {Pseudohypericin and Hyperforin in Hypericum perforatum from Northern Turkey: Variation among Populations, Plant Parts and Phenological Stages}, publisher = {J Integr Plant Biol}, year = {2008}, journal = {Journal of Integrative Plant Biology}, volume = {50}, number = {5}, eid = {575}, numpages = {5}, pages = {575}, keywords = {Hypericum perforatum; hyperforin; morphologic and phenologic variation; population variability; pseudohypericin}, url = {https://www.jipb.net/EN/abstract/article_22351.shtml}, doi = {10.1111/j.1744-7909.2008.00657.x} }