Electron microscope study of neurosecretory cells and neurohaemal organs in the pond snail Lymnaea stagnalis Boer, H.H., Douma, E. & Koksma, J.M.A.,
55165 1968 In 8vo, offp., pp. 20 with 10 figs. Offprint from Symp. Zoolo. soc. London n. 22 €5.00EUR Click here to order or message the dealer
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