Hafez, G., & Van Os W.A. A., e. (1980). IUD pathology and management. G. K. Hall Medical.
Lua i Stíl Chicago (17ú heag.)Hafez, G.K, agus ed Van Os W.A. A. IUD Pathology and Management. G. K. Hall Medical, 1980.
Lua MLA (9ú heag.)Hafez, G.K, agus ed Van Os W.A. A. IUD Pathology and Management. G. K. Hall Medical, 1980.
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