C. Treetampinich, K. Suwannarurk, A. Chanthasenanont, S. Fongsupa, T. Tamrongterakul, and M. Rattanachaiyanont, “Blood Absorption Capacity of Various Sanitary Pads Available in Thailand”, Siriraj Med J, vol. 59, no. 6, pp. 303–306, Nov. 2007.