By Lisle, D, David A., Mitchell, Ken, Russell, Andrew
By Kyle, David A.
By Hart, David A., Cupitt, Don
By Male, David A.
By Rawlings, John O., Pantula, Sastry G., Dickey, David A.
By Glynn, John J., Perkins, David A.
By Lieberman, David A.
By DeCenzo, David A., Robbins, Stephen P.
By Coleman, David D., Westcott, David A.
By Dickson, David A.
By Hennessy, John L., Patterson, David A.
By Adler, David A., Wallner, John, Alexandra
By Wisdom MB BS, Anthony, Hawkins BSc FRCP, David A.
By Hill, David A.
By Adler, David A.
By Isenberg, David A.
By Seamands, David A.
By Mitchell, Laura, David A.
By Lien, David A.
By Martin, David A.
By Hart, David A.
By Yallop, David, David A.