1. Medical discourse: Aspects of author's comment;Adams-Smith;The ESP Journal,1984
2. Conditionality, hypotheticality, counterfactuality;Athanasiadou,1997
3. Longman grammar of spoken and written English;Biber,1999
4. The ‘iffiness’ of medical research articles. A comparison of English if and French si;Carter-Thomas,2007
5. Syntactic differences in oral and written scientific discourse: The role of information structure;Carter-Thomas;Asp, la Revue du GERAS,2001