By James Swarbrick (PharmaceuTech, Inc, Pinehurst, North Carolina, USA), James C. Boylan (University of North Carolina, Chapel Hill, )
By John Harper, Arnold Oranje, Neil Prose (Director, Pediatric Dermatology, Duke University Medical Center, North Carolina, USA.)
By James C. Boylan (University of North Carolina, Chapel Hill, North Carolina, ), James Swarbrick (PharmaceuTech, Inc, Pinehurst, USA)
By Georges Guiochon, etc., S. Golshan-Shirazi (Applied Analytical Industries, Wilmington, North Carolina, USA), Anita M. Katti (Mallinckrodt, St Louis, Missouri
By Mark B. Scholl (East Carolina University, North Carolina, USA), A. Scott McGowan, James T. Hansen