@misc{indiciae55becc217b88,
  title = {[Extraction optimization study of flavonoids from Humulus lupulus].},
  author = {Hao-ping Xiong and Guo-qing He and Guo-dong Xuan and Hui Ruan},
  year = {2006},
  url = {https://pubmed.ncbi.nlm.nih.gov/17048661/},
  note = {Source identifier: 17048661}
}