The Immune System I gave the February 8, 2001, issue, which contained the article “Sentinels That Protect Your Health, ” to a doctor who is involved with preventive medicine.
Andsin ühele profülaktikaga tegelevale arstile 2001. aasta 8. veebruari numbri, milles oli artikkel „Valvurid, kes kaitsevad meie tervist ”.