Authors
- Ardissino, Diego
- Arena, Ross
- Arenas de Larriva, Antonio P
- Arentz, Thomas
- Aret, Poulianitou
- Arfaras-Melainis, Angelos
- Arias, Eduardo A
- Ariotti, Sara
- Ariyarajah, Vignendra
- Arjoon, Roy
- Arkhipov, Mikhail V
- Arkles, Jeffrey S
- Arko, Frank
- Armitage, Jane
- Armoundas, Antonis A
- Armstrong, Ehrin J
- Armstrong, David
- Armstrong, Ehrin
- Arnestad, Marianne
- Arno, Scott
- Arnold, Marion
- Arnold, Ahran
- Arnold, Natalie
- Arnous, Samer
- Aro, Aapo L
- Aronis, Konstantinos N
- Aronson, Doron
- Arora, Rohit R
- Arora, Sameer
- Arozal, Wawaimuli
- Arri, Satpal
- Arribas, Fernando
- Arrigo, Mattia
- Arroyo-Espliguero, Ramón
- Arsalan, Mani
- Artinian, Boghos L
- Arya, Shipra
- Arya, Arash
- Arzt, Michael
- Asahara, Noriko
- Asai, Akira
- Asakawa, Tomohiro
- Asano, Taku
- Asch, Federico M
- Ascoeta, Soledad
- Asfar, Sami
- Asgar, Anita W
- Asimaki, Angeliki
- Askew, J Wells
- Asmar, Roland
- Asnani, Aarti
- Asselbergs, Folkert W
- Asvestas, Dimitrios
- Atar, Dan
- Atherton, John J
- Atianzar, Kimberly
- Atkin, Leanne
- Atkins, Robert C
- Attallah, Antonious
- Attallah, Nizar