[Application of the paired chi-square test].
D005260:Female; D006514:Hepatitis B Surface Antigens / Q000032:analysis; D006801:Humans; D007751:Labor, Induced / Q000009:adverse effects; D008297:Male; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000209:etiology; D013223:Statistics as Topic; D014785:Vision, Ocular
D006514:Hepatitis B Surface Antigens