000 00345 a2200145 4500
080 _a547.96.547.963.32
_bS 989 P
245 1 _aProceedings
260 _aPhiladelphia
_bWistar Institute of Anatomy and Biology
_c1969
650 _aProtein
650 _aNucleic Acid
650 _aProteins
100 _a
_d
300 _a266 p.
901 _a218205
999 _c68255
_d68255