[A progressive organization. A visit to Wilhelm Herbst-Gold-leaf manufacturing plant in Bremen].
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Dentistry↗
Biomedical subjects
P Holtkamp
Publications and source records attributed to P Holtkamp.
[Greetings and thanks on his birthday, 1896-1966: (Georg Poulson)].
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Dentistry↗
[3 years of technical progress in the manufacturing of dental prosthesis].
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Dental Materials↗
[Against abuses in business].
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Dentistry↗
[From the "simple toothbrush" to the electric toothbrush].
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Dentistry↗
[Does the trade profit through the welfare of its customer?].
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Dentistry↗