1. Effect of light on the Lactobacillius casei microbiological assay;Anderson, B.B.; Cowan, J.D.;Journal of Clinical Pathology,1968
2. A microbiologic method for detecting folic acid deficiency in man;Baker, H.; Herbert, V.; Frank, O.; Pasher, I.; Hutner, S.H.; Wasserman, L.R.; Sobotka, H.;Clinical Chemistry,1959
3. Semi-automated method for microbiological vitamin and antibiotic assays;Berg, T.M.; Den Berger, J.M.; Behagel, H.A.,1975
4. The demonstration of capsules about hemolytic streptococci with India ink or Azo blue;Butt, E.M.; Bonynge, C.W.; Joyce, R.L.;Journal of Infectious Diseases,1936
5. An automated method for the measurement of folate activity;Davis, R.E.; Nicol, D.J.; Kelly, A.;Jouirnal of Clinical Pathology,1970