1. G. Majno, inHandbook of Physiology, Section 2,Circulation III (Ed.W. F. Hamilton andP. Dow; Waverly Press, Baltimore 1965), p. 2293.
2. M. J. Karnovsky, inCapillary Permeability (Ed.C. Crone andN. A. Lassen, Academic Press, N.Y. and London 1970), p. 341.
3. B. W. Zweipach, A. Rev. Physiol.35, 117 (1973). —W. J. Cliff,Biological Structure and Function of Blood Vessels (Cambridge University Press 1975).
4. J. R. Casley-Smith, inThe Inflammatory Process (Ed.B. W. Zweifach, L. Grant andR. C. McClusky; Academic Press, N.Y. and London 1973), vol. 2, p. 161.
5. J. R. Casley-Smith, inMicrocirculation (Ed.G. Kaley andB. M. Altura; University Park Press, Baltimore 1976), in press.