1. Andrew A (1974) Further evidence that enterochromaffin cells are not derived from the neural crest. J Embryol Exp Morphol 31:589?598
2. Andrew A (1976) Review article: APUD cells, Apudomas and the neural crest. South Afr Med J 50:890?897
3. Aumüller G, Metz W, Grube D (1976) Elektronen- und fluoreszenzmikroskopische Untersuchungen an der menschlichen Prostata. Verh Anat Ges 70:895?903
4. Azzopardi JG, Mostofi FK, Theiss EA (1961) Lesions of testis observed in certain patients with widespread choriocarcinoma and related tumors. Am J Pathol. 38:207?225
5. Baumgarten HG, Falck B, Holstein A-F (1968) Adrenergic innervation of the human testis, epididymis, ductus deferens and prostate: a fluorescence microscopic and fluorometric study. Z Zellforsch Mikrosk Anat 90:81?95