00398nas a2200133   4500000000100000008004100001100001200042700001600054700001700070245014900087300000700236490000700243022001400250       2012                            d1 aA. Shah1 aC. Martinez1 aH. Hemingway00aThe freetext matching algorithm: a computer program to extract diagnoses and causes of death from unstructured text in electronic health records  a880 v12  a1472-6947