[The 80th birthday of Head Physician, Josef Ledec]. [No authors listed] Cas Lek Cesk. 1974 Feb 15;113(7):224. PMID: 4611636
[Prof. Miloslav Matousek on his 80th birthday]. Slavĕtinský M. Cesk Zdrav. 1980 Jun;28(6):270-2. PMID: 6996851
[Hans Erhard Bock. Thoughts on his 80th birthday on 31 December 1983]. Gross R. Dtsch Med Wochenschr. 1983 Dec 23;108(51):1979-81. PMID: 6360618
[Richard Zollikofer on his 80th birthday]. [No authors listed] Schweiz Med Wochenschr. 1951 May 26;81(21):482-3. PMID: 14866012
[Anatoliĭ Innokent'evich Nesterov (on his 75th birthday)]. [No authors listed] Ter Arkh. 1970 Nov;42(11):3-5. PMID: 4925373
[The 80th birthday of Head Physician ladislav Labohý]. Kubát J. Cas Lek Cesk. 1973;112(25):798-9. PMID: 4581801
