Törmä, H.; Rollman, O.; Vahlquist, A. Detection of MRNA Transcripts for Retinoic Acid, Vitamin D3, and Thyroid Hormone (c Erb A) Nuclear Receptors in Human Skin Using Reverse Transcription and Polymerase Chain Reaction. Acta Derm Venereol 1993, 73, 102-107.