By Richard K. Rondel, Sheila Varley, Colin F. Webb
By Alejandro R. Jadad
By Philip Ball
By Corie Brown
By James Swarbrick (PharmaceuTech, Inc, Pinehurst, North Carolina, USA), James C. Boylan (University of North Carolina, Chapel Hill, )
By David Dent
By Williams, John L.
By A. Bolisher, etc.
By H. Versteeg, W. Malalasekera
By Faith, Nicholas.
By Frank White
By Howard E. Wasdin, Stephen Templin
By Sarfaraz K. Niazi (Pharmaceutical Scientist Inc., Deerfield, Illinois, USA)
By James C. Boylan (University of North Carolina, Chapel Hill, North Carolina, ), James Swarbrick (PharmaceuTech, Inc, Pinehurst, USA)
By Edith Mathiowitz, Donald E. Chickering III, Claus-Michael Lehr
By Satinder Ahuja