History corner: wash the sand out of the sponges.
Glass
L K
LK
D000818:Animals; D049673:History, 20th Century; D013527:Perioperative Nursing / Q000266:history*; D011161:Porifera; D012822:Silicon Dioxide; D015503:Surgical Sponges / Q000266:history*
D012822:Silicon Dioxide