Molecular techniques in laboratory medicine, James O'D. McGee; immunochemistry for light microscopy, Andrew R. Heryet and Kevin C. Gatter; electron microscopical immunocytochemistry, Susan Van Noorden et al; principles and basic methodology of DNA/RNA detection by "in situ" hybridization, C. Simon Herrington and James O'D. McGee; viral gene detection by "in situ" hybridization, Stina M. Syrjanen; interphase cytogenetics - an approach to the detection of genetic aberrations in tumours, Anton H.N. Hopman et al; isotopic localization of cellular mRNA in clinical material using RNA probes, Q.A. Hamid; mRNA detection in clinical samples by non-isotopic "in situ" hybridization, Eric P.-H. Yap et al; "in situ" hybridization in diagnostic cytopathology, C.Simon Herrington and James O'D. McGee; nucleolar organizer regions and fibrillar centres, John Crocker; flow cytometry in clinical pathology,Richard S. Camplejohn; list of contents of Volume II.