00423nam a2200121Ia 4500008004100000020001400041100003000055245013100085260004900216300001000265942000700275999001900282260413s9999||||xx |||||||||||||| ||und||  a897662865  aTirrell, David A.9112510 0aMacromolecules as Drugs and as Carriers for Biologically Active Materials (Annals of the New York Academy of Sciences, Vol-446  bNew York Academy of SciencesaNew Yorkc1985  a458p.  cBK  c272107d272107