- 1
Young Ed., Dental key, 1825
Key, HC.J.3.X.34 - 2Young, Chiene's conical short curved Bougie,
Bougie, Chiene's conical short curved, HC.I.2.19 - 3Young, Heron Watson's probe-pointed conical Bougie,
Bougie, Heron Watson's probe-pointed conical, HC.I.2.23 - 4Young,
Bougie, Straight German penile, HC.I.2.26 - 5Young, Case of catheters, 1880
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Catheters, 12, HC.I.2.39