| Co-factors | AZT/PIs | AIDS symptoms | Diarrhea |
| Enteric Infections and Diarrhea in Human Immunodeficiency Virus-Infected Persons | Weber R et al. | ||
| “The risk to develop diarrhea was increased among ... patients taking antiretroviral therapy...Diarrhea was an independent negative predictor of survival.” | |||
| Arch Intern Med. 1999 Jul 12;159:1473-80. | 1999 | ||