PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11781619-10 2001 The CD34(+) compartment of CB grafts contained a significantly higher percentage (12.1%) of CD34(+)CD7(+)CD3(-) T cell progenitors than those of BM grafts (5.1%) and LPs (3.6%). lps 166-169 CD34 antigen Mus musculus 4-8