Canine roundworm 1
描述：
Description: Toxocara canis (canine roundworm) from a puppy. Date: 19 January 2006 (cropped on 2006-06-25). Source: Own work. Author: Joel Mills.
Description: Toxocara canis (canine roundworm) from a puppy. Date: 19 January 2006 (cropped on 2006-06-25). Source: Own work. Author: Joel Mills.
