000 00328nam a2200121Ia 4500
008 251112s9999||||xx |||||||||||||| ||und||
040 _aCNCLSA
245 0 _aProceedings Of The National Academy Of Science USA
260 _c1975
_bUS Department Of Health Services
_aUSA
300 _aP.3265-5176
300 _bv.72
942 _cJRBV
999 _c28160
_d28160