1. British Industry Biological Research Association (BIBRA) Toxicity Profile, lycopene 1999. TNO BIBRA Toxicology International Ltd, Carshalton, Surrey, UK
2. Buser, S., Urwyler, H., 1996. Ro 01-9251/008 (lycopene): 14-week oral toxicity study in the rat (feed admix). Internal Roche Research Report No. B-161162
3. Eckhardt, K., 1996a. Pilot study for retinoid receptor binding. Included in Internal Roche Research Report No. B-163162
4. Eckhardt, K., 1996b. Ro 01-9251 (lycopene) or Ro 01-9251 (lycopene) plus Ro 40-6113 (lycopene C25-aldehyde): embryotoxicity and teratogenicity study in rats (feed admixture). Internal Roche Research Report No. B-163302
5. Glatzle, D., Moalli, S., Riss, G., Liechti, H., Matter, U., Goralczyk, R., Jordan, P., Bausch, J., 1997. Comparative study of rat tissue lycopene levels after administration of lycopene 10% CWS or tomato concentrate as feed admix to male rats for 5 weeks (2mg lycopene/kg body weight/day) and after subsequent depletion for 3 weeks. Internal Roche Research Report No. B-106836