060 NATIONAL LIBRARY OF MEDICINE CALL NUMBER (R)
Indicators First Undefined; contains a blank (^) Second Source of call number 0 Assigned by NLM 4 Assigned by agency other than NLM
Subfield Codes $a Classification number (NR) $b Item number (NR) $d Volumes/dates to which call number applies (NR) $5 Institution to which field applies (R) $6 Linkage (NR) $8 Field link and sequence number (R)