蛀牙是一种很普遍的疾病... Zhuya shi yi zhong hen pubian de jibing... Designer Designer unknown (未知) Date 1957, November Publisher Shanghaishi weishengju (上海市卫生局) Size 53x38 cm. Call nr. BG D85/290 Collection IISH collection Link to IISH catalog https://search.iisg.amsterdam/Record/1290232