Metzger, John A., 1872–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL2425947A
- pdbooks.info ID: 15504
John A. Metzger Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| Principles and practice of X-ray technic for diagnosis | 1922 | Author | |  | |  | | 
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