1. 28-Day Dermal Toxicity Study in the Rabbit, Vacuum Residuum, API Sample 81-13;API,1983
2. 28-Day Dermal Toxicity Study in the Rabbit, Vacuum Residuum, API Sample 81-14;API,1983
3. 28-Day Dermal Toxicity Study of API 83-07 in the Rabbit;API,1985
4. Twenty-four Month Dermal Carcinogenesis/chronic Toxicity Screening Bioassay of Refinery Streams in C3H/HeJ Mice;API,1989
5. Twenty-eight Day Dermal Toxicity Study in Rats on JP-5;ARCO,1987