[2 alternative hypotheses of chi-square test for 2xk tables].
D000328:Adult; D000667:Ampicillin / Q000009:adverse effects; D001991:Bronchitis / Q000209:etiology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007951:Leukemia, Myeloid / Q000401:mortality; D008875:Middle Aged; D012988:Soil Microbiology; D013223:Statistics as Topic; D014029:Tobacco Use Disorder / Q000150:complications
D000667:Ampicillin