Pekka Roto, Hannele Sainio, Timo Reunala, Pekka Laippala (ianuarie 1996). „Addition of ferrous sulfate to cement and risk of chromium dermatitis among construction workers”. Contact Dermatitis. 34 (1): 43–50. doi:10.1111/j.1600-0536.1996.tb02111.x. PMID8789225.Mentenanță CS1: Nume multiple: lista autorilor (link)
M. Saha, C. R. Srinivas, S. D. Shenoy, C. Balachandran (mai 1993). „Footwear dermatitis”. Contact Dermatitis. 28 (5): 260–264. doi:10.1111/j.1600-0536.1993.tb03428.x. PMID8365123.Mentenanță CS1: Nume multiple: lista autorilor (link)
nih.gov
ncbi.nlm.nih.gov
Pekka Roto, Hannele Sainio, Timo Reunala, Pekka Laippala (ianuarie 1996). „Addition of ferrous sulfate to cement and risk of chromium dermatitis among construction workers”. Contact Dermatitis. 34 (1): 43–50. doi:10.1111/j.1600-0536.1996.tb02111.x. PMID8789225.Mentenanță CS1: Nume multiple: lista autorilor (link)
M. Saha, C. R. Srinivas, S. D. Shenoy, C. Balachandran (mai 1993). „Footwear dermatitis”. Contact Dermatitis. 28 (5): 260–264. doi:10.1111/j.1600-0536.1993.tb03428.x. PMID8365123.Mentenanță CS1: Nume multiple: lista autorilor (link)