Manual of Serological Tests for Syphilis, 1949, supplement No. 22, The Journal of Venereal Diseases Information, United States, Printing Office, Washington 25, D.C., will give the information you desire. The antigen has by no means established itself as a reliable reagent during the last 12 years of its existence. The WHO in S.-E. Asia may supply the booklet. The recent interest in the antigen ...

Question In adults with cognitive impairment or memory problems how effective is the MoCA (Montreal Cognitive Assessment) compared to the MMSE (Mini Mental State Examination) in memory management / managing cognitive impairment? Evidence from six diagnostic test accuracy studies indicated that the MoCA is likely to perform as well as or better than the MMSE for the diagnosis of cognitive impair...

All askers who post questions in Community-based Question Answering (CQA) sites such as Yahoo! Answers, Quora or Baidu’s Zhidao, expect to receive an answer, and are frustrated when their questions remain unanswered. We propose to provide a type of “heads up” to askers by predicting how many answers, if at all, they will get. Giving a preemptive warning to the asker at posting time should reduc...

Advances through scientific endeavour have delivered many benefits to the human race and overall these benefits have outweighed any associated problems. Not uncommonly apparent improvements in our knowledge are eventually shown to be incorrect or misguided in the light of subsequent knowledge. This might arise because a different perspective was taken on a problem so that a new understanding wa...

Molecules are lifeless. Yet, in appropriate complexity and number, molecules compose living things. These living systems are distinct from the inanimate world because they have certain extraordinary properties. They can grow, move, perform the incredible chemistry of metabolism, respond to stimuli from the environment, and most significantly, replicate themselves with exceptional fidelity. The ...