Coming back to the research, probably I can surprise somebody if I say that this research can't demonstrate anything.
If we want really to see if, how and when EPO works, we need to have a LONGITUDINAL research (this means comparing data pre, during and after EPO assumption for the same cyclist or runner), and not TRASVERSAL.
Put in your mind that the individual situation, and reactions to the same type of pharma (maybe doping or not) are very, very much different, so every time some researcher writes about "average", automatically this research loses any scientific value.
In LR, it seems there are a lot of people very expert of doping : many speak about strange names and number of medicines, many speak about their effect, BUT NOBODY OF THEM IS REALLY EXPERT OF TRAINING.
Also, somebody starts a thread with the title "Canova was right ! EPO does not work on trained athletes", but this is not what I always said :
1) EPO works (in lower percentage than what people think) with all athletes and cyclists trained in traditional way
2) EPO works (in very little percentage) also with athletes and cyclists training at 90% of their potential, also using some training in altitude
3) EPO DOESN'T WORK for the athletes at the top of the world (who already have different qualities than the best in the world, but not at the top) born, living and training ALWAYS in high altitude.
This means that the category of athletes with whom EPO doesn't have any effect is formed by very few people : who already have some different physiological quality, giving them a special gift under the aerobic point of view (and for that reason they are, or were, able to run WR and times out of the possibility of the other athletes).
We can't compare cyclists and runners, too many differences between the two specialisms. And we can't compare a runner of 800 or 1500m like Ramzi with marathon runners : also in this case, the physiological demand is completely different.
If we go to analyze a competition of bike, we see fundamental differences with the activity of a runner :
a) The duration (from 4 to 8 hours, comparing with durations of 3' - 2 hr)
b) The type of effort (bikers have continue variation of the level of intensity, and have the ability to produce level of lactate very high, while for runners the intensity is always at the same level for all the duration of the race, if long, or is continuously growing till the end of the competition, if short)
c) The percentage of Threshold athletes use, very different inside the various athletic distances, but well identified, so everybody can chose the right distance (for him) and the right duration, while for cyclists there is one option only, since everybody has to run the same distance of the others and can't chose to avoid the specialism where is not talented (also sprinters have to climb 5 mountains in the same stage of TdF, if they want to have the final classification)
d) The different level of muscle strength they need for improving their performances : a cyclist can run faster because able to improve the frequency of the action, but, using a mechanical mean, can also improve becoming able to push a gear with one tooth more, and this means to use more strength. For any athlete of long distances, this never happens, because the improvement comes from the ability to reduce the decrease of the speed, and is connected with enzymatic and metabolic situations.
e) The fact that the most important competition for cyclists are organized with 20 continuous stages (Tour de France, Giro d'Italia and Vuelta de Espana), so the ability to recover for the next day is the most important factor for winning these races. In athletics, the recovery day by day is not so important : is not true that 3 hard session per week are better than 2, or than 1 every 5 days, if the session has very high intensity.
f) Runners can modulate their recovery looking at the level of tireness they have : if too tired, they can open the recovery using an easy day more, or a free day too. Cyclists can't decide about their recovery, because they are not alone, but depend on the situations of the race, that the most part of time is out of their control
There are still a lot of other differences, but what I wrote above is already enough for explaining the impossibility to compare cyclists and runners as kind of effort. The two sports are very far one from another, and the physiological requests are completely different.
We can continue with other elements of discussion, after some other intervention about what I wrote.