000			00343nam a22001577a 4500
999			_c12831 _d12831
003			OSt
005			20180621144431.0
008			180621b ||||| |||| 00| 0 eng d
020			_a0874342023
040			_cHeart sounds
082			_2616
245			_aHeart sounds
260			_c1990.
300			_a138p. 1 audio cassette
942			_2ddc _cBK