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- [10] Effects of 6/85-strain Mycoplasma gallisepticum inoculation alone at ten weeks of age or in conjunction with F-Strain Mycoplasma gallisepticum inoculation overlays at twenty-two or forty-five weeks of age on the performance of commercial egg-laying hens [J]. POULTRY SCIENCE, 2008, 87 (03) : 588 - 593