This article was unintentionally published twice in this journal by the same authors. The following should be considered the version of record and used for citation purposes: “Dennis D. Raga, Annabelle A. Herrera, Chien-Chang Shen, and Consolacion Y. Ragasa, Triterpenes from Ardisia cf. elliptica (subgenus Tinus) limit vascular density and promote von Willebrand factor expression on duck chorioallantoic membrane, Pharmaceutical Chemistry Journal, Vol. 47, No. 1, pp. 44–49, DOI 10.1007/s11094-013-0894-5.”

The duplicate, “Dennis D. Raga, Annabelle A. Herrera, Chen Chiang Shen, and Consolacion Y. Ragasa, Triterpenes from Ardisia cf. elliptica (subgenus Tinus) limit vascular density and promote von Willebrand factor expression on duck chorioallantoic membrane, Pharmaceutical Chemistry Journal, Vol. 49, No. 1, pp. 24–29, DOI 10.1007/s11094-015-1216-x” is to be ignored.

Springer apologizes to the readers of the journal for not detecting the duplication during the publication process.