TY - RPRT TI - Epidermal chalone--past to present concept. AU - E A Duell AU - W H Kelsey AU - J J Voorhees PY - 1975 DO - 10.1111/1523-1747.ep12598049 UR - https://pubmed.ncbi.nlm.nih.gov/125306/ ID - 125306 ER -