1. A critical review of the effects of vitamin K on glucose and lipid homeostasis: its potential role in the prevention and management of type 2 diabetes

   • Nikolaos A. Varsamis
   • Georgios A. Christou
   • Dimitrios N. Kiortsis

   Review Article 16 January 2021 Pages: 415 - 422

2. Update on vertebral fractures in pituitary diseases: from research to clinical practice

   • Flaminia Carrone
   • Salvatore Ariano
   • Gherardo Mazziotti

   Review Article 19 February 2021 Pages: 423 - 437

   

3. Energy deficiency, menstrual disorders, and low bone mineral density in female athletes: a systematic review

   • Nikitas S. Skarakis
   • George Mastorakos
   • Dimitrios G. Goulis

   Review Article 22 April 2021 Pages: 439 - 448

   

4. Higher ovulation rate with letrozole as compared with clomiphene citrate in infertile women with polycystic ovary syndrome: a systematic review and meta-analysis

   • Alexandra P. Tsiami
   • Dimitrios G. Goulis
   • Efstratios M. Kolibianakis

   Review Article 25 May 2021 Pages: 449 - 461

   

5. Clinical relevance of tumor consistency in pituitary adenoma

   • Alberto Acitores Cancela
   • Víctor Rodríguez Berrocal
   • Pedro Iglesias

   Review Article 19 June 2021 Pages: 463 - 473

   

6. Sexual dysfunctions and short-term glucose variability in young men with type 1 diabetes

   • Paola Caruso
   • Paolo Cirillo
   • Katherine Esposito

   Original Article Open access 30 April 2021 Pages: 475 - 482

   

7. Effect of exercise intensity and duration on the levels of stress hormones and hypothalamic-pituitary–gonadal axis in adult male rats: an experimental study

   • Nazli Khajehnasiri
   • Mehdi Banitalebi Dehkordi
   • Reihaneh Sadeghian

   Original Article 14 July 2021 Pages: 483 - 490

   

8. Comparison of the effects of medical and surgical treatments in giant prolactinoma: a single-center experience

   • Soner Cander
   • Ozen Oz Gul
   • Canan Ersoy

   Original Article 08 July 2021 Pages: 491 - 498

   

9. The use of computed tomography as a first-line imaging modality in patients with primary hyperparathyroidism

   • Mechteld C. de Jong
   • K. Jamal
   • T. R. Kurzawinski

   Original Article 13 May 2020 Pages: 499 - 506

   

10. Progesterone-induced blocking factor (PIBF) influences the expression of membrane progesterone receptors (mPRs) on peripheral CD4⁺ T lymphocyte cells in normal fertile females

    • Mitra Rafiee
    • Abbas Rezaei
    • Mohsen Naseri

    Original Article 29 April 2021 Pages: 507 - 514

    

11. Early postoperative prediction of both disease remission and long-term disease control in acromegaly using the oral glucose tolerance test

    • Kiyohiko Sakata
    • Yui Nagata
    • Motohiro Morioka

    Original Article 18 March 2021 Pages: 515 - 526

    

12. Distribution and effect of ghrelin genotype on plasma lipid and apolipoprotein profiles in obese and nonobese Chinese subjects

    • Ruqiang Bai
    • Yu Liu
    • Rui Liu

    Original Article 12 November 2020 Pages: 527 - 535

    

13. The relationship of mesencephalic astrocyte-derived neurotrophic factor with hyperlipidemia in patients with or without type 2 diabetes mellitus

    • Jili Fu
    • Kija Malale
    • Dongfang Liu

    Original article 08 February 2021 Pages: 537 - 543

    

14. Bone metabolism subgroups identified as hip fracture patients via clustering

    • Evangelia Papakitsou
    • Ioanna Paspati
    • George P. Lyritis

    Original Article 23 February 2021 Pages: 545 - 555

    

15. Theoretical study of the interactions between peptide tyrosine tyrosine [PYY (1-36)], a newly identified modulator in type 2 diabetes pathophysiology, with receptors NPY1R and NPY4R

    • Yee Siew Choong
    • Yee Ying Lim
    • Ponnadurai Ramasami

    Original article 29 March 2021 Pages: 557 - 569

    

16. Differentiation of benign thyroid nodules from malignant thyroid nodules through miR-205-5p and thyroid-stimulating hormone receptor mRNA

    • Jie Zhou
    • Li Cao
    • Zhou Chen

    Original Article 31 March 2021 Pages: 571 - 580

    

17. Hypergonadotrophic hypogonadism in a patient with transaldolase deficiency: novel mutation in the pentose phosphate pathway

    • Naz Guleray Lafcı
    • Fatma Kurt Colak
    • Senay Savas-Erdeve

    Teaching Case Presentations 07 November 2020 Pages: 581 - 585

    

18. Cognitive impairment reversed by cinacalcet administration in primary hyperparathyroidism

    • J. G. Timmons
    • R. Manners
    • C. McDougall

    Teaching Case Presentations Open access 21 April 2021 Pages: 587 - 589

19. Leonardo da Vinci: the Lady with an Ermine enigma

    • Andrea Sisti
    • Payam Sadeghi

    Historical Note 23 November 2020 Pages: 591 - 592

    

20. Insulin autoimmune syndrome misdiagnosed as an insulinoma in a woman presenting with a pancreatic cystic lesion and taking alpha lipoic acid: a lesson to be learned

    • Damiano Gullo
    • Miriam Magliozzo
    • Antonino Belfiore

    Letter to the Editor 11 November 2020 Pages: 593 - 595

    

21. Large pure cystic papillary thyroid cancer in a young female patient despite repeated negative fine-needle aspiration biopsies

    • Georgios Boutzios
    • Nefeli Tomara
    • Gerasimos Tsourouflis

    Letter to the Editor 10 February 2021 Pages: 597 - 598

    

22. Adrenal insufficiency misdiagnosed as diabetic gastroparesis

    • Jorge Gabriel Ruiz-Sánchez
    • Oscar Moreno-Domínguez
    • Noemí González Pérez de Villar

    Letter to the Editor 30 March 2021 Pages: 599 - 601

23. Doctors’ views and strategies to improve patients’ adherence to medication

    • John Yfantopoulos
    • Marianna Protopapa
    • Platonas Yfantopoulos

    Letter to the Editor 29 April 2021 Pages: 603 - 611