000			00330nam a2200109Ia 4500
003			2631
008			||||||n9999 ||||| |||| 00| 0|eng |
041			_aspa
245		0	_aLaboratory Techniques for the detection of hepatitis B surface antigen
260			_aAtlanta _bUS Department of health, education and welfare _c1977
300			_a95
999			_c24168 _d24168