According to the 2017(!) textbook, it worked at that time, for instance,
https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=snp&term=autism
At this time, this does not work and for each conceivable term it will find 0 records.
What is the right way to search in snp
, valid in December 2018?