despite the front cover puff-line, "the classical medical space adventure - first time in one volume!" 's implication - this reprint collection does not contain murray leinster's entire med service series.
omitted are:
the grandfathers' war (novella) 1957
tallien three (novella) as "the hate disease" 1963
med ship man (novelette) 1963
these three stories comprise pyramid books (later jove) mmpb, "doctor to the stars" (1964 & ff.), q.v.
the mutant weapon (novella) as "med service" astounding vol. lix #6, 8/1957; astounding atlas bre vol. xiii #12, 12/1957; both: six b+w illustrations by h. r. van dongen
plague on kryder II (novella) analog vol. lxxiv #4, 12/1964 the cover story with two b+w illustrations all by frank kelly freas
ribbon in the sky (novelette) astounding vol. lix #4, 6/1957, atlas bre vol. xiii #10 misnumbered vol. xv #10; the cover story with four b+w illustrations, all by h. r. van dongen (three only in the bre)
quarantine world (novella) analog vol. lxxviii #3, 11/1966 with two b+w illustrations by frank kelly freas
this world is taboo (novella) half an "ace double" (1961); variant text to that published as "pariah planet" amazing stories vol.35 #7, 7/1961. i don't know which is the earliest-written or the first published text
the berkley publishing group (check°) charter communications ace mmpb first printing, first edition
reprint collection of four med service novellas and one novelette
cover art by james warhola (signed, credited)
cover price $2.95
388pp? (check) including unnumbered titles, indicia etc, end pp. advertising
° - the berkley publishing group bought all or most of grosset & dunlap's book publishing interests in 1982 (and this mmpb bears the sharp-pointed upper-case "A" logo with four-pointed star as cross-bar used from 2/1980), but i don't know the month the purchase took full effect.