[CITAAT][C] Extinctiometric determination of methoxy group
M Langejan - Pharmaceutisch weekblad, 1957 - pubmed.ncbi.nlm.nih.gov
[CITAAT][C] The detection of iron as a contaminant of cobaltous chloride
M LANGEJAN - Pharmaceutisch weekblad, 1959 - pubmed.ncbi.nlm.nih.gov
[CITAAT][C] The purity reaction on potassium according to the Dutch Pharmacopeia, 2d Printing
H van Gogh, M Langejan - Pharmaceutisch weekblad, 1967 - pubmed.ncbi.nlm.nih.gov
[CITAAT][C] The determination of zinc as an impurity in cupric sulfate
M Langejan… - Pharmaceutisch …, 1955 - pubmed.ncbi.nlm.nih.gov
[CITAAT][C] Extinctiometric method for the determination of alkaloids containing a methyleneoxide group
M Langejan - Pharmaceutisch Weekblad, 1957 - europepmc.org
… LANGEJAN M …
[CITAAT][C] Study on possible chemical evaluation of digitalis leaves
M Langejan… - Pharmaceutisch …, 1953 - pubmed.ncbi.nlm.nih.gov
[CITAAT][C] The prove of hydrolysis products of reserpine
M Langejan, L HF - Pharmaceutisch Weekblad, 1956 - europepmc.org
[The prove of hydrolysis products of reserpine]. - Abstract - Europe PMC Sign in | Create an
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[CITAAT][C] Reacties van enige digitalisglucosiden als basis voor een gehaltebepaling
M Langejan - 1950 - Rijksuniversiteit te Utrecht
[CITAAT][C] Analyse van een mengseleavn acetylsalicylzuur, phenacetine, coffeine en bromisovalerianylureum
M Langejan, JAC van Pinxteren - Pharm. Weekbl., 1951
[CITAAT][C] et VAN PINXTEREN, JAC 1953
M LANGEJAN - Pharm. Weekbl