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文献标题：1、Therapeutic strategies for Heart Failure pp 39-54Congestion: historical and pathophysiological review and the concept of fundamental management for hospitalized heart failure 2、De Rudder D et al. Structural stability of ophthalmic ointments containing soft paraffin. Drug Dev Ind Pharm 1987; 13: 1799-1806. 3、Longworth AR, French JD. Quality control of white soft paraffin. J Pharm Pharmacol 1969; 21(Suppl.): 1S–5S. 4、.De Muynck C et al. Chemical and physicochemical characterization ofpetrolatums used in eye ointment formulations. J Pharm Pharmacol1993; 45: 500-503.