... requirements, of microorganisms 8 0 -2 , 387 O O antigens 20 3, 27 2 Oedema 21 6, 24 4, 26 2 Oestrogens 384 Omentum 145 onc genes 29 2, 29 2n Oncogenes 29 2, 29 2n Opportunistic infections 5 0 -2 in AIDS ... 32 diarrhoea due to 29 8-9 Guillain-Barr~ syndrome relationship 30 0-1 pathogenesis 29 8-9 Cancer 21 8, 358 cervical 22 1 infectious aetiology 22 1 liver 21 8, 22 1, 375 penile 22 1 stomach 22 1 ... Anthrax 103, 128 , 403,417 clinical features 26 2 pathogenicity 26 2 spread through body 129 toxin 111, 24 4, 26 2 components 26 2 mode of action 24 4 protective antigen (PA) 24 2, 24 4, 26 2 translocation...