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''EX 1''
:[[606|606]] '''##$aPulmonary artery$xCatheterization$xHandbooks, manuals, etc$21c''':[[606|606]] '''##$aHemodynamic monitoring$xHandbooks, manuals, etc$21c''':[[606|606]] '''##$aHeart Catheterization$xinstrumentation$xhandbooks$2mesh''':[[606|606]] '''##$aHeart Catheterization$xinstrumentation$xnurses' instructions$2mesh''':[[606|606]] '''##$aMonitoring, Physiologic$xhandbooks$2mesh''':[[606|606]] '''##$aMonitoring, Physiologic$xnurses' instructions$2mesh'''
:Both Library of Congress and Medical subject headings have been assigned to the record for Memory bank for hemodynamic monitoring : the pulmonary artery catheter. The record predates the use of $j for form subdivisions.
''EX 2''
:[[606|606]] '''0#$aScaffolding$xSafety measures$21c''':[[606|606]] '''0#$aConstruction equipment$yGreat Britain$21c'''
:Subject headings assigned to the record for Safety in construction work, scaffolding by the Health and Safety Executive.