“…Schaberg, 1955;Schaberg & De Groot, 1963;Biswas, MacDougall & Coupland, 1967), and in expiant cultures of proliferating cells from the human foetal adrenal cortex (Stark, Gyévai, Szalay & Acs, 1965;Milner & Villee, 1970), the neonatal (Kahri, Pesonen & Saure, 1970;Milner, 1971) and immature (Gyévai, Stark, Szalay & Mihály, 1969) rat adrenal cortex. None of the expiant cultures was maintained for more than 4 weeks, and only limited attempts to assess steroidogenic activity were made.…”