Задание №1:
Arabinoxylan arabinofuranohydrolase
201 статья

Задание №4:
Введено: Опоясывающий лишай.
Details: small o[Author] AND Cyrillicsmall[All Fields] AND "pe"[All Fields] AND Cyrillicsmall[All Fields] AND o[All Fields] AND Cyrillicsmall[All Fields] AND ya[All Fields] AND Cyrillicsmall[All Fields] AND ("ethics"[Subheading] OR "ethics"[All Fields] OR "es"[All Fields]) AND Cyrillicsmall[All Fields] AND Cyrillicsmall[All Fields] AND ("veterinary"[Subheading] OR "veterinary"[All Fields] OR "ve"[All Fields]) AND Cyrillicsmall[All Fields] AND Cyrillicsmall[All Fields] AND yu[All Fields] AND Cyrillicsmall[All Fields] AND shcha[All Fields] AND Cyrillicsmall[All Fields] AND Cyrillicsmall[All Fields] AND short i[Author] AND Cyrillic[All Fields] AND ("Small"[Journal] OR "small"[All Fields]) AND el[All Fields] AND Cyrillicsmall[All Fields] AND Cyrillicsmall[All Fields] AND sha[All Fields] AND Cyrillicsmall[All Fields] AND Cyrillicsmall[All Fields] AND short i[Author] AND Cyrillic[All Fields]
Вывод: Кирилицу PubMed кодирует по звукам, что, в общем-то, логично, но неудобно.

Введено: shingles
Details: "herpes zoster"[MeSH Terms] OR ("herpes"[All Fields] AND "zoster"[All Fields]) OR "herpes zoster"[All Fields] OR "shingles"[All Fields]
Вывод: Разговорные слова в поиск входят, однако сайт автоматически переводит и в научные термины,