Just what the world needs.... another inadequately discoverable journal! The number of medical journals is doubling every 20 years - and trials are scattered across so many, that it is becoming ever harder to track them down. Just how many journals do you need to read?, blogs Paul Glasziou. Richard Smith and Ian Roberts argue that trials shouldn't even be published in journals any more.
[Update 12 April 2016] Salima Punja studied meta-analysis of n-of-1 trials for her doctoral dissertation (here). Together with colleagues, she's incorporated n-of-1 trials with RCTs in a meta-analysis and concludes it improved the result. That study is here.