00285nam a2200109Ia 4500008004100000020001900041040000800060082002200068100001800090245002900108300003800137210805s9999    xx            000 0 und d  a9781920392550"  cRDA  aT 307.720968 SIMO  aETINGOFF KIM  0aHand washing and hygiene  a32 pages.billustrations.c29 cm.