Fig. 5

Sample determination of Pien Tze Huang Hemorrhoids Ointment Compositum. (A) Prasterone in samples of Pien Tze Huang Hemorrhoids Ointment Compositum. (Natural Musk); (B) Prasterone in samples of Pien Tze Huang Hemorrhoids Ointment Compositum. (Artificial Musk); (C) Androsterone in samples of Pien Tze Huang Hemorrhoids Ointment Compositum. (Natural Musk); (D) Androsterone in samples of Pien Tze Huang Hemorrhoids Ointment Compositum. (Artificial Musk)