Setting the record straight.
Snelson
S W
SW
D000134:Acid Etching, Dental / Q000266:history; D000180:Acrylic Resins / Q000266:history*; D001840:Dental Bonding / Q000266:history*; D049673:History, 20th Century; D013557:Switzerland
D000180:Acrylic Resins; C029637:Sevriton