000			00414nam a2200145Ia 4500
008			180713s9999 xx 000 0 und d
082			_a613 G2
100			_a"Ghai, O P "
245		0	_aEssential Preventive Medicine
260			_aNew Delhi
260			_b Vikas
260			_c1999
365			_b275
942			_cBK
999			_c109710 _d109710