title: Studies on avian pleuropneumonia-like organisms. II. Transovarian transmission.
mesh_terms: D000818:Animals; D005260:Female; D009174:Mycoplasma / Q000302:isolation & purification*; D009175:Mycoplasma Infections / Q000382:microbiology / Q000662:veterinary*; D010063:Ovum / Q000382:microbiology; D011201:Poultry Diseases / Q000382:microbiology*; D012141:Respiratory Tract Infections / Q000662:veterinary*