@article{006248734, title = "Radiation biological investigations with multi cellular spheroids as an in vitro tumor model part 4 comparative investigations of volume changes and re population of intact v 79 4 multi cellular spheroids after irradiation with x rays or fast neutrons", author = "Kopp, J.", year = "1978", journal = "Studia Biophysica", volume = "71", number = "3", pages = "207-208", url = "https://eurekamag.com/research/006/248/006248734.php" }