L, S., C, B., A, H., & F, F. (1997). External four channel tocography in preterm labor. First results. Journal of perinatal medicine, 25(1), 43. https://doi.org/10.1515/jpme.1997.25.1.43
Chicago Style (17th ed.) CitationL, Spätling, Behrens C, Hasenburg A, and Fallenstein F. "External Four Channel Tocography in Preterm Labor. First Results." Journal of Perinatal Medicine 25, no. 1 (1997): 43. https://doi.org/10.1515/jpme.1997.25.1.43.
MLA (9th ed.) CitationL, Spätling, et al. "External Four Channel Tocography in Preterm Labor. First Results." Journal of Perinatal Medicine, vol. 25, no. 1, 1997, p. 43, https://doi.org/10.1515/jpme.1997.25.1.43.
Warning: These citations may not always be 100% accurate.