Table 3.
Intervals between the time periods of the maxima of P1 and P3.
| Biomedical entity | Time period of the maximum of P1 (T1) | Time period of the maximum of P3 (T2) | T1-T2 (years) |
| Asthma | 1986-1990 | 1966-1970 | 20 |
| Hypersensitivities, drug | 1966-1970 | 1956-1960 | 10 |
| Ulcer, gastric | 1976-1980 | 1956-1960 | 20 |
| Indomethacin | 1976-1980 | 1961-1965 | 15 |
| Acetaminophen | 1981-1985 | 1971-1975 | 10 |
| Dipyridamole | 1981-1985 | 1966-1970 | 15 |
| Vitamin F | 1981-1985 | 1971-1975 | 10 |
| Adenosine | 1971-1975 | 1966-1970 | 5 |
| Prostacyclin | 1981-1985 | 1976-1980 | 5 |