PEDERSEN HOLGER /red./ 542,943 MODIFIERS Modifiers of carcinogenesis : Proceedings from the Symposium in Copenhagen, September 22—23, 1983 / ed. lb Knudsen, Holger Pedersen, Elvind B. Thorling ; the Danish Ministry of Environmental Protection. - Copenhagen : Munksgaard ; The Danish Cancer Society, 1984. — 204 s. : il., wykr.; 25 cm Acta Pharmacologica et Toxicologica ; suppl. 2 ISBN 87-16-06279-5 ISBN 0065-1508