ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] By methods previously described1,2, and with the use of the two pteridines, we have shown that (a) both folic acid and crithidia factor are required for growth of C. fasciculata; and (6) when folic acid is bypassed by supplying thymine, preformed crithidia factor is indispensable (Table 1). Folic ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/178741a0
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