PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
1371204-5	1992	A further MAb, IT-Ks20.8, recognized CK 20 in sections of formalin-fixed, paraffin-embedded tissue samples.	Formaldehyde	58-66	keratin 20	Homo sapiens	37-42	
12426170-2	2001	METHODS: Immunohistochemical method was used to detect the expression of CD20, CD45RO and cyclin D1 in 31 formalin- fixed and paraffin-embedded tissue samples of human small cell lymphomas.	Formaldehyde	106-114	keratin 20	Homo sapiens	73-77