Measurement of free phenytoin in blood with a self-contained fiber-optic immunosensorASTLES, J. R; MILLER, W. G.Analytical chemistry (Washington, DC). 1994, Vol 66, Num 10, pp 1675-1682, issn 0003-2700Article

Quantifying the bias associated with use of discrepant analysisLIPMAN, H. B; ASTLES, J. R.Clinical chemistry (Baltimore, Md.). 1998, Vol 44, Num 1, pp 108-115, issn 0009-9147Article

Estimating the linear analytic rangeLIPMAN, H. B; ASTLES, J. R.Clinica chimica acta. 1999, Vol 282, Num 1-2, pp 15-34, issn 0009-8981Article

Turbidimetric measurement of lipase activity-problems and some solutionsTIETZ, N. W; SHUEY, D. F; ASTLES, J. R et al.Clinical chemistry (Baltimore, Md.). 1987, Vol 33, Num 9, pp 1624-1629, issn 0009-9147Article

Impact of quality control on accuracy in enzyme immunoassay testing for human immunodeficiency virus type 1 antibodiesASTLES, J. R; LIPMAN, H. B; SCHALLA, W. O et al.Archives of pathology & laboratory medicine (1976). 1998, Vol 122, Num 8, pp 700-707, issn 0363-0153Article

Artifactual hypoglycemia associated with hematopoietic cytokinesASTLES, J. R; PETROS, W. P; PETERS, W. P et al.Archives of pathology & laboratory medicine (1976). 1995, Vol 119, Num 8, pp 713-716, issn 0363-0153Article

Pneumatic transport exacerbates interference of room air contamination in blood gas samplesASTLES, J. R; LUBARSKY, D; LOUN, B et al.Archives of pathology & laboratory medicine (1976). 1996, Vol 120, Num 7, pp 642-647, issn 0363-0153Article

Lipase activity measured in serum by a continuous-monitoring pH-Stat technique ― an updateTIETZ, N. W; ASTLES, J. R; SHUEY, D. F et al.Clinical chemistry (Baltimore, Md.). 1989, Vol 35, Num 8, pp 1688-1693, issn 0009-9147Article