41 下列那種細菌與懷孕牙齦炎(pregnancy gingivitis)有最明顯的關係?
(A)E. corrodens
(B)P. intermedia
(C)C. gingivalis
(D)P. mitis
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統計: A(3), B(194), C(27), D(8), E(0) #2237924
統計: A(3), B(194), C(27), D(8), E(0) #2237924