共 50 条
- [1] A PRELIMINARY-STUDY OF NATURAL CHILDBIRTH REVUE FRANCAISE DE SOCIOLOGIE, 1960, 1 (02): : 202 - 212
- [3] PRELIMINARY-STUDY ON THE NATURAL-HISTORY OF CEREBRAL ATHEROSCLEROSIS REVUE ROUMAINE DE MEDECINE-MEDECINE INTERNE, 1981, 19 (02): : 137 - 145
- [5] LOCATION OF FUNGAL ENDOPHYTES IN TISSUES OF SUAEDA-FRUTICOSA - A PRELIMINARY-STUDY TRANSACTIONS OF THE BRITISH MYCOLOGICAL SOCIETY, 1987, 89 : 246 - 249
- [6] THE NATURAL-HISTORY OF SIMPLE RENAL CYSTS - A PRELIMINARY-STUDY JOURNAL OF UROLOGY, 1986, 135 (05): : 905 - 908
- [9] PRELIMINARY-STUDY ON THE DESMUTAGENIC AND ANTIMUTAGENIC EFFECT OF SOME NATURAL-PRODUCTS CURRENT SCIENCE, 1987, 56 (24): : 1266 - 1269