From the moment they arrived, the Twins had been admonishing Eve for having her baby at home. They told her she was endangering her baby’s welfare and that in these modern times, it was irresponsible to give birth anywhere but in the most prestigious of all hospitals with the most expensive of all doctors. Eve tried to explain to them that
(Garth Stein, The Art of Racing in the Rain)
Are there one that is omitted after prestigious and expensive, or are these the most prestigious of and the most expensive of determiners for next noun phrases?