1. Primary liver cell cultures grown on gas permeable membrane as source for the collection of primary bile

   • Ernst Petzinger
   • Wolfram Föllmann
   • Rolf K. H. Kinne

   Regular Papers Pages: 491 - 499

2. Use of semipermeable polyurethane hollow fibers for pituitary organ culture

   • Preston Lamberton
   • Milton Lipsky
   • Paul Mc Millan

   Regular Papers Pages: 500 - 504

3. Human hybrid immunoglobulin M containing immunoglobulin A

   • Hiroshi Shinmoto
   • Hiroki Murakami
   • Hirohisa Omura

   Regular Papers Pages: 505 - 510

4. Active glycolysis and glycogenolysis in early stages of primary cultured hepatocytes. Role of AMP and fructose 2.6-bisphosphate

   • M. Pilar López
   • M. Jose Gómez-Lechón
   • Jose V. Castell

   Regular Papers Pages: 511 - 517

5. Experimental pitfalls in evaluating vectorial protein secretion in vitro; Sertoli cell secretion of androgen-binding protein and transferrin in two-compartment culture chambers

   • Andrzej Janecki
   • Anna Steinberger

   Regular Papers Pages: 518 - 524

6. Collagen gel culture of rat mammary tumor cells as an assay system for determination of therapeutic efficacy of chemotherapeutic agents

   • D. K. Sinha
   • C. J. White

   Regular Papers Pages: 525 - 529

7. Clonal growth characteristics of adult human prostatic epithelial cells

   • Donna M. Peehl
   • Stephen T. Wong
   • Thomas A. Stamey

   Regular Papers Pages: 530 - 536

8. Reinitiation of DNA synthesis in quiescent mouse keratinocytes; Regulation by polypeptide hormones, cholera toxin, dexamethasone, and retinoic acid

   • M. Reiss
   • C. L. Dibble

   Regular Papers Pages: 537 - 544

9. Optimizing testosterone production by purified adult rat Leydig cells in vitro

   • Gary R. Klinefelter
   • Larry L. Ewing

   Regular Papers Pages: 545 - 549

10. In vitro models of differentiated sertoli cell structure and function

    • Mark A. Hadley
    • Stephen W. Byers
    • Martin Dym

    Regular Papers Pages: 550 - 557

11. In vitro assessment of target cell specificity in cadmium carcinogenesis: Interactions of cadmium and zinc with isolated interstitial cells of the rat testes

    • Michael P. Waalkes
    • Alan Perantoni

    Regular Papers Pages: 558 - 565

12. Isolation and monolayer culture of guinea pig pancreatic duct epithelial cells

    • Seth R. Hootman
    • Craig D. Logsdon

    Regular Papers Pages: 566 - 574

13. Establishment of a galactocerebrosidase-deficient twitcher mouse cell line that expresses galactocerebrosidase activity in hybrids with control human fibroblasts

    • Jukka T. Konola
    • Timothy A. Lyerla
    • Srinivasa Raghavan

    Regular Papers Pages: 575 - 580

14. Transferrin and iron requirements of embryonic mesoderm cells cultured in hydrated collagen matrices

    • E. J. Sanders
    • E. Cheung

    Regular Papers Pages: 581 - 587

15. Two lines of MDCK epithelial cells with different volume and ion responses to calcium ionophore A23187

    • Jonathan C. Allen
    • John W. Mills

    Regular Papers Pages: 588 - 592

16. Ultrastructural and immunohistochemical characterization of submandibular duct cells in culture and modification of outgrowth differentiation by manipulation of calcium ion concentration

    • Barbara E. Kurth
    • Debra J. Hazen-Martin
    • Donald A. Sens

    Regular Papers Pages: 593 - 600

17. Isolation and culture of soybean hypocotyl protoplasts

    • N. Hammatt
    • M. R. Davey

    Plant Cellular and Developmental Biology Pages: 601 - 604

18. Osmotic microenvironments within tissue culture well plates are an important cause of variability in plant protoplast cultures

    • Julie A. Russell
    • Muhammad Banaras
    • Brent H. McCown

    Plant Cellular and Developmental Biology Pages: 605 - 608