Stephen Tollman

发表

Peter Sammonds, Mustafa Abbas, Mauricio L Barreto, 2018, The Lancet.

Linda Richter, Alastair van Heerden, Mary Jane Rotheram-Borus, 2013, Journal of medical Internet research.

Jim Todd, Catherine Kyobutungi, Samuel J Clark, 2016, International journal of epidemiology.

Ibrahim Abubakar, Sally Hargreaves, Robert W Aldridge, 2018, The Lancet.

Samuel J. Clark, Jane Menken, J. Menken, 2013 .