en.wikipedia.org/wiki/Controversies_in_autism

Diagnoses of autism have become more frequent since the 1980s, which has led to various ... Scientific consensus holds that vaccines do not cause autism, but popular ... has actually increased; and as-yet-unidentified environmental risk factors cannot be ruled out. ... Both of these could contribute to neurological symptoms.

www.sciencedirect.com/science/article/pii/0006899389910056

Jul 24, 1989 ... A variable release of two, as yet, unidentified substances was also detected. In low calcium (0.1 mM CaCl2), high magnesium (10 mM MgCl2) ...

www.khanacademy.org/math/algebra/introduction-to-algebra/division-by-zero/v/why-dividing-by-zero-is-undefined

But wait! 0/0 = 1 ==> 0 * 1 = 0. Oops, that also works. and so does 0/0 = 2 and .... It's kind of like wrapping the two ends of the real number line and declaring that ...

www.jbc.org/content/148/1/163.full.pdf

was suggested that there were at least two unidentified factors present in liver. .... 2) and yet feather development was poorer in the chicks receiving the.

www.jbc.org/content/27/1/33.full.pdf

... necessity of two dietary essentials as yet unidentified in the diet for growth or prolonged ... supply of these two dietary factors after growth has been com- pleted. ... OF RESULTS. The observation of Decaisne,2 during the siege of Paris, that.

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Synonyms for unknown at Thesaurus.com with free online thesaurus, antonyms, and definitions. Find descriptive alternatives for unknown.

www.pnas.org/content/pnas/94/12/6116.full.pdf

tains another, as-yet-unidentified covalent modification that .... least two experiments. FIG. 2. Inhibitory effect of 1 2 on steady-state GTP hydrolysis by s. Purified s ...

jb.asm.org/content/182/20/5911.full.pdf

The functions of ORF1 and ORF4 are unknown, but analysis of the sequence of ORF4 suggests ... clustered in two different patterns (2, 36): divergently tran-.

pubs.rsc.org/en/content/articlehtml/2019/ra/c9ra01784d

5 days ago ... 2). In addition, two naphthylisoquinoline alkaloids with a rare 7 ... as yet unidentified Congolese Ancistrocladus liana: ancistrocongoline C (8), ...