Distinct endometrial protein profiles in spontaneous and stimulated cycles in women with poor ovarian response: A prospective case-crossover clinical trial. - Abdulkhalikova, Dzhamilyat; Ban Frangež, Helena; Burnik Papler, Tanja; Štimpfel, Martin; Vrtačnik Bokal, Eda; Šalamun, Vesna (PLoS ONE, 2026)