参考
↑http://www.emedicinehealth.com/foreign_body_ear/page2_em.htm#ear_foreign_body_causes↑http://www.emedicinehealth.com/foreign_body_ear/article_em.htm#ear_foreign_body_overview↑http://www.medicinenet.com/objects_or_insects_in_ear/article.htm#what_are_causes_of_objects_in_the_ear↑http://www.medicinenet.com/objects_or_insects_in_ear/page2.htm#when_should_i_call_the_doctor_for_an_object_in_the_ear↑http://www.medicinenet.com/objects_or_insects_in_ear/page2.htm#when_should_i_call_the_doctor_for_an_object_in_the_ear↑http://www.medicinenet.com/objects_or_insects_in_ear/page2.htm#when_should_i_call_the_doctor_for_an_object_in_the_ear↑http://www.emedicinehealth.com/foreign_body_ear/page4_em.htm#when_to_seek_medical_care↑http://www.drugs.com/health-guide/foreign-objects-in-the-ear.html
更多参考
↑http://www.emedicinehealth.com/foreign_body_ear/page6_em.htm#ear_foreign_body_treatment↑http://www.mayoclinic.org/first-aid/first-aid/basics/art-20056709↑http://www.mayoclinic.org/first-aid/first-a