Joseph A.J.A.RuddickJoseph A.J.A., Toxicology, metabolism, and biochemistry of 1,2-propanediol, „Toxicology and Applied Pharmacology”, 21 (1), 1972, s. 102–111, DOI: 10.1016/0041-008x(72)90032-4.
K.K.ArulananthamK.K., M.M.GenelM.M., Central nervous system toxicity associated with ingestion of propylene glycol, „The Journal of Pediatrics”, 93 (3), 1978, s. 515–516, DOI: 10.1016/S0022-3476(78)81183-4, PMID: 690781.
K.K.ArulananthamK.K., M.M.GenelM.M., Central nervous system toxicity associated with ingestion of propylene glycol, „The Journal of Pediatrics”, 93 (3), 1978, s. 515–516, DOI: 10.1016/S0022-3476(78)81183-4, PMID: 690781.