Neonatal rat hepatocytes in primary tissue culture free from density-dependent regulation of growth Ubaldo ArmatoPaola G. AndreisLoreta Mengato OriginalPaper Pages: 479 - 484
Gypsy moth cell lines divergent in viral susceptibility R. H. GoodwinG. J. TompkinsP. McCawley OriginalPaper Pages: 485 - 494
Histological and cytological technique for the quantitation of cultured human bone-marrow cells: Formation of aggregates Vincent F. GarryMark NesbittGerald Vosika OriginalPaper Pages: 495 - 501
An improved syncytia infectivity assay for the bovine leukemia virus Clement A. DiglioCharles E. PiperJorge F. Ferrer OriginalPaper Pages: 502 - 505
Use of enzyme-deficient cell lines as feeder layers Jennifer A. Marshall Graves OriginalPaper Pages: 506 - 509
An improved technique of preparing bone-marrow specimens for cytogenetic analysis Yosef ShilohMaimon M. Cohen OriginalPaper Pages: 510 - 515
Differing effects of isoleucine deficiency on the toxicity of MNNG for 10T1/2 and CHO cells Diane S. GreenbergJoe W. GrishamDavid G. Kaufman OriginalPaper Pages: 516 - 521
Changes in isoperoxidases during shoot formation in tobacco callus Trevor A. ThorpeThomas Gaspar OriginalPaper Pages: 522 - 526
The reduced extracellular calcium requirement for proliferation by neoplastic hepatocytes S. H. H. SwierengaJ. F. WhitfieldH. P. Morris OriginalPaper Pages: 527 - 535
Establishment of a variant cell clone growing at 41° C from embryonic rat and tupaia (tree shrew) fibroblast cells G. DaraiR. M. FlügelK. Munk OriginalPaper Pages: 536 - 542
The cytogenetic, proliferative and viability effects of four bacteriophages on human lymphocytes S. L. WengerJ. H. TurnerJ. C. Petricciani OriginalPaper Pages: 543 - 549
Studies on in vitro colony formation by mouse bone-marrow cells using different sources of colony-stimulating factor James L. ShellhaasMelvin S. RheinsJoyce A. Filppi OriginalPaper Pages: 550 - 556