Gao1, Z.; Jia1, Y.-N.; Cui2, T.-Y.; Han1, Z.; Qin1, A.-X.; Kang1, X.-H.; Pan1, Y.-L.; Cui1, T. Quantification of Ten Polyphenols in the Leaves of Chinese Hawthorn (Crataegus Pinnatifida Bge. Var. Major N.E. Br.) by HPLC. ajc 2013, 25, 10344-10348.