D A Yeung

A turbidimetric method to determine visual appearance of protein solutions.

B M Eckhardt, J Q Oeswein, D A Yeung, 1994, Journal of pharmaceutical science and technology : the official journal of PDA.

Determining the optimum residual moisture in lyophilized protein pharmaceuticals.

Chung C. Hsu, C. A. Ward, C. Hsu, 1992, Developments in biological standardization.