Letters to the Editor in international journals
- De Groot AC, Bruijnzeel DP. Kathon CG. Contact Dermatitis 1987;17:189-190
- De Groot AC, Nater JP, Herxheimer A. Minoxidil for male pattern baldness. The Lancet 1987;ii:563
- De Groot AC, Bos JD, Bruijnzeel DP. Study of the interaction of Kathon CG- Germall II in hydrophilic creams. Int J Cosm Science 1987;9:249-250
- De Groot AC. Letter to the editor (Oleamidopropyl dimethylamine). Int J Cosm Science 1988;10:145-146
- De Groot AC. Kathon CG and cosmetic products. Contact Dermatitis 1990;23:206-207
- De Groot AC. Methylisothiazolinone/methylchloroisothiazolinone (Kathon CG) allergy: an updated review. Amer J Contact Dermatitis 1990;1:259-260
- De Groot AC, Eshuis H, Stricker BHCh. Oral contraceptives and antibiotics in acne. Brit J Dermatol 1991;124:212
- De Groot AC, van Ginkel CJW, Weijland JW. How to detect sensitization to Euxyl K 400. Contact Dermatitis 1996;34:373-374
- De Groot AC. Contact allergy to polyvinylpyrrolidone/hexadecene copolymer previously reported. Am J Contact Dermatitis 1996;7:260
- De Groot AC. PVP/hexadecene copolymer: a hard-to find allergen in modern times. Contact Dermatitis 1999;40:172
- De Groot AC, Maibach HI. Reply to Letter: Allergic contact dermatitis caused by durable-press finishes does exist in the USA. Contact Dermatitis 2010;63:234-235
- De Groot AC. Free digital update of Patch Testing, 3rd edition, available. Dermatitis 2011;22:238
- De Groot AC. Chemicals found in poplar-type propolis. Dermatitis 2014;25:280
- De Groot AC, Schmidt E. Qualitative and quantitative composition of essential oils. Regulatory Toxicology and Pharmacology 2016;82:189